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108140715 = 3252403127
BaseRepresentation
bin1100111001000…
…01100010101011
321112111010011200
412130201202223
5210141000330
614421455243
72452116024
oct634414253
9245433150
10108140715
11560517a1
1230271523
1319533cb7
141050dc4b
159761a60
hex67218ab

108140715 has 12 divisors (see below), whose sum is σ = 187443984. Its totient is φ = 57675024.

The previous prime is 108140713. The next prime is 108140719. The reversal of 108140715 is 517041801.

It is not a de Polignac number, because 108140715 - 21 = 108140713 is a prime.

It is a super-2 number, since 2×1081407152 = 23388828481422450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108140713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201519 + ... + 1201608.

It is an arithmetic number, because the mean of its divisors is an integer number (15620332).

Almost surely, 2108140715 is an apocalyptic number.

108140715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108140715 is a deficient number, since it is larger than the sum of its proper divisors (79303269).

108140715 is a wasteful number, since it uses less digits than its factorization.

108140715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403138 (or 2403135 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 108140715 is about 10399.0727952063. The cubic root of 108140715 is about 476.4270509588.

The spelling of 108140715 in words is "one hundred eight million, one hundred forty thousand, seven hundred fifteen".

Divisors: 1 3 5 9 15 45 2403127 7209381 12015635 21628143 36046905 108140715