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149579456 = 26133743113
BaseRepresentation
bin10001110101001…
…10011011000000
3101102110102102212
420322212123000
5301243020311
622502001252
73464255465
oct1072463300
9342412385
10149579456
1177485294
1242116228
1324cb2670
1415c1966c
15d1e9c8b
hex8ea66c0

149579456 has 112 divisors (see below), whose sum is σ = 338901024. Its totient is φ = 65028096.

The previous prime is 149579449. The next prime is 149579471. The reversal of 149579456 is 654975941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323656 + ... + 1323768.

It is an arithmetic number, because the mean of its divisors is an integer number (3025902).

Almost surely, 2149579456 is an apocalyptic number.

149579456 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 149579456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169450512).

149579456 is an abundant number, since it is smaller than the sum of its proper divisors (189321568).

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

149579456 is a wasteful number, since it uses less digits than its factorization.

149579456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 208 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 149579456 is about 12230.2680264988. The cubic root of 149579456 is about 530.8322701702.

The spelling of 149579456 in words is "one hundred forty-nine million, five hundred seventy-nine thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 37 43 52 64 74 86 104 113 148 172 208 226 296 344 416 452 481 559 592 688 832 904 962 1118 1184 1376 1469 1591 1808 1924 2236 2368 2752 2938 3182 3616 3848 4181 4472 4859 5876 6364 7232 7696 8362 8944 9718 11752 12728 15392 16724 17888 19436 20683 23504 25456 30784 33448 35776 38872 41366 47008 50912 54353 63167 66896 77744 82732 94016 101824 108706 126334 133792 155488 165464 179783 217412 252668 267584 310976 330928 359566 434824 505336 661856 719132 869648 1010672 1323712 1438264 1739296 2021344 2337179 2876528 3478592 4042688 4674358 5753056 9348716 11506112 18697432 37394864 74789728 149579456