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107540387 = 234675669
BaseRepresentation
bin1100110100011…
…10111110100011
321111100121200022
412122032332203
5210012243022
614400544055
72444035553
oct632167643
9244317608
10107540387
1155781759
123002202b
1319383986
14103d5163
159693c42
hex668efa3

107540387 has 4 divisors (see below), whose sum is σ = 112216080. Its totient is φ = 102864696.

The previous prime is 107540357. The next prime is 107540393. The reversal of 107540387 is 783045701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107540387 - 210 = 107539363 is a prime.

It is a super-2 number, since 2×1075403872 = 23129869672219538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107540357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337812 + ... + 2337857.

It is an arithmetic number, because the mean of its divisors is an integer number (28054020).

Almost surely, 2107540387 is an apocalyptic number.

107540387 is a deficient number, since it is larger than the sum of its proper divisors (4675693).

107540387 is an equidigital number, since it uses as much as digits as its factorization.

107540387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675692.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 107540387 is about 10370.1681278560. The cubic root of 107540387 is about 475.5438085719.

The spelling of 107540387 in words is "one hundred seven million, five hundred forty thousand, three hundred eighty-seven".

Divisors: 1 23 4675669 107540387