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155000914 = 2701110557
BaseRepresentation
bin10010011110100…
…10000001010010
3101210122212021121
421033102001102
5304140012124
623214112454
73561325465
oct1117220122
9353585247
10155000914
117a548532
1243aab72a
1326160223
141682b2dc
15d91b2e4
hex93d2052

155000914 has 8 divisors (see below), whose sum is σ = 232835148. Its totient is φ = 77389200.

The previous prime is 155000897. The next prime is 155000927. The reversal of 155000914 is 419000551.

It can be written as a sum of positive squares in 2 ways, for example, as 154181889 + 819025 = 12417^2 + 905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 53877 + ... + 56680.

Almost surely, 2155000914 is an apocalyptic number.

155000914 is a deficient number, since it is larger than the sum of its proper divisors (77834234).

155000914 is a wasteful number, since it uses less digits than its factorization.

155000914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111260.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 155000914 is about 12449.9363050579. The cubic root of 155000914 is about 537.1695913463.

The spelling of 155000914 in words is "one hundred fifty-five million, nine hundred fourteen", and thus it is an aban number.

Divisors: 1 2 701 1402 110557 221114 77500457 155000914