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139850760 = 23357295741
BaseRepresentation
bin10000101010111…
…11010000001000
3100202011011011210
420111133100020
5241300211020
621513253120
73315466110
oct1025372010
9322134153
10139850760
1171a3aa45
123aa041a0
1322c8743a
1414806040
15c4273e0
hex855f408

139850760 has 128 divisors (see below), whose sum is σ = 496108800. Its totient is φ = 30858240.

The previous prime is 139850719. The next prime is 139850771. The reversal of 139850760 is 67058931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21490 + ... + 27230.

It is an arithmetic number, because the mean of its divisors is an integer number (3875850).

Almost surely, 2139850760 is an apocalyptic number.

139850760 is a gapful number since it is divisible by the number (10) 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 139850760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248054400).

139850760 is an abundant number, since it is smaller than the sum of its proper divisors (356258040).

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

139850760 is a wasteful number, since it uses less digits than its factorization.

139850760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791 (or 5787 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 139850760 is about 11825.8513435609. The cubic root of 139850760 is about 519.0648379611.

The spelling of 139850760 in words is "one hundred thirty-nine million, eight hundred fifty thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 29 30 35 40 42 56 58 60 70 84 87 105 116 120 140 145 168 174 203 210 232 280 290 348 406 420 435 580 609 696 812 840 870 1015 1160 1218 1624 1740 2030 2436 3045 3480 4060 4872 5741 6090 8120 11482 12180 17223 22964 24360 28705 34446 40187 45928 57410 68892 80374 86115 114820 120561 137784 160748 166489 172230 200935 229640 241122 321496 332978 344460 401870 482244 499467 602805 665956 688920 803740 832445 964488 998934 1165423 1205610 1331912 1607480 1664890 1997868 2330846 2411220 2497335 3329780 3496269 3995736 4661692 4822440 4994670 5827115 6659560 6992538 9323384 9989340 11654230 13985076 17481345 19978680 23308460 27970152 34962690 46616920 69925380 139850760