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1308706896 = 24373292741
BaseRepresentation
bin100111000000001…
…0100100001010000
310101012120012100210
41032000110201100
510140012110041
6333510044120
744300553000
oct11600244120
93335505323
101308706896
11611804952
12306349640
1317b1960a3
14c5b4a000
1579d60016
hex4e014850

1308706896 has 160 divisors (see below), whose sum is σ = 4080096000. Its totient is φ = 360890880.

The previous prime is 1308706891. The next prime is 1308706939. The reversal of 1308706896 is 6986078031.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308706891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476086 + ... + 478826.

It is an arithmetic number, because the mean of its divisors is an integer number (25500600).

Almost surely, 21308706896 is an apocalyptic number.

1308706896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308706896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040048000).

1308706896 is an abundant number, since it is smaller than the sum of its proper divisors (2771389104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308706896 is a wasteful number, since it uses less digits than its factorization.

1308706896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1308706896 is about 36176.0541795260. The cubic root of 1308706896 is about 1093.8240389347.

The spelling of 1308706896 in words is "one billion, three hundred eight million, seven hundred six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 42 48 49 56 58 84 87 98 112 116 147 168 174 196 203 232 294 336 343 348 392 406 464 588 609 686 696 784 812 1029 1176 1218 1372 1392 1421 1624 2058 2352 2436 2741 2744 2842 3248 4116 4263 4872 5482 5488 5684 8223 8232 8526 9744 9947 10964 11368 16446 16464 17052 19187 19894 21928 22736 29841 32892 34104 38374 39788 43856 57561 59682 65784 68208 76748 79489 79576 115122 119364 131568 134309 153496 158978 159152 230244 238467 238728 268618 306992 317956 402927 460488 476934 477456 537236 556423 635912 805854 920976 940163 953868 1074472 1112846 1271824 1611708 1669269 1880326 1907736 2148944 2225692 2820489 3223416 3338538 3760652 3815472 3894961 4451384 5640978 6446832 6677076 7521304 7789922 8902768 11281956 11684883 13354152 15042608 15579844 22563912 23369766 26708304 27264727 31159688 45127824 46739532 54529454 62319376 81794181 93479064 109058908 163588362 186958128 218117816 327176724 436235632 654353448 1308706896