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100255315 = 520051063
BaseRepresentation
bin1011111100111…
…00011001010011
320222122111102211
411332130121103
5201131132230
613540452551
72325104356
oct576343123
9228574384
10100255315
1151656336
12296aa157
1317a02a94
14d45a29d
158c0542a
hex5f9c653

100255315 has 4 divisors (see below), whose sum is σ = 120306384. Its totient is φ = 80204248.

The previous prime is 100255303. The next prime is 100255339. The reversal of 100255315 is 513552001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513552001 = 4373117437.

It is a cyclic number.

It is not a de Polignac number, because 100255315 - 25 = 100255283 is a prime.

It is a super-2 number, since 2×1002553152 = 20102256371498450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025527 + ... + 10025536.

It is an arithmetic number, because the mean of its divisors is an integer number (30076596).

Almost surely, 2100255315 is an apocalyptic number.

100255315 is a deficient number, since it is larger than the sum of its proper divisors (20051069).

100255315 is an equidigital number, since it uses as much as digits as its factorization.

100255315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20051068.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 100255315 is about 10012.7576121666. The cubic root of 100255315 is about 464.5535700712.

The spelling of 100255315 in words is "one hundred million, two hundred fifty-five thousand, three hundred fifteen".

Divisors: 1 5 20051063 100255315