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139462080 = 2635532741
BaseRepresentation
bin10000101000000…
…00010111000000
3100201102102000020
420110000113000
5241200241310
621501053440
73312256662
oct1024002700
9321372006
10139462080
11717a4a1a
123a857280
1322b7c554
1414744532
15c39c170
hex85005c0

139462080 has 112 divisors (see below), whose sum is σ = 451311264. Its totient is φ = 36474880.

The previous prime is 139462079. The next prime is 139462093. The reversal of 139462080 is 80264931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49510 + ... + 52250.

Almost surely, 2139462080 is an apocalyptic number.

139462080 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 139462080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225655632).

139462080 is an abundant number, since it is smaller than the sum of its proper divisors (311849184).

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

139462080 is a wasteful number, since it uses less digits than its factorization.

139462080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 139462080 is about 11809.4064203075. The cubic root of 139462080 is about 518.5835217473.

The spelling of 139462080 in words is "one hundred thirty-nine million, four hundred sixty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 64 80 96 106 120 159 160 192 212 240 265 318 320 424 480 530 636 795 848 960 1060 1272 1590 1696 2120 2544 2741 3180 3392 4240 5088 5482 6360 8223 8480 10176 10964 12720 13705 16446 16960 21928 25440 27410 32892 41115 43856 50880 54820 65784 82230 87712 109640 131568 145273 164460 175424 219280 263136 290546 328920 435819 438560 526272 581092 657840 726365 871638 877120 1162184 1315680 1452730 1743276 2179095 2324368 2631360 2905460 3486552 4358190 4648736 5810920 6973104 8716380 9297472 11621840 13946208 17432760 23243680 27892416 34865520 46487360 69731040 139462080