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108043680 = 25353153137
BaseRepresentation
bin1100111000010…
…01110110100000
321112022012001210
412130021312200
5210124344210
614415430120
72451233103
oct634116640
9245265053
10108043680
1155a958a8
1230225340
13194cba94
14104c673a
159742e20
hex6709da0

108043680 has 192 divisors, whose sum is σ = 360557568. Its totient is φ = 27156480.

The previous prime is 108043679. The next prime is 108043681. The reversal of 108043680 is 86340801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108043679) and next prime (108043681).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (108043681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788572 + ... + 788708.

It is an arithmetic number, because the mean of its divisors is an integer number (1877904).

Almost surely, 2108043680 is an apocalyptic number.

108043680 is a gapful number since it is divisible by the number (10) 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 108043680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180278784).

108043680 is an abundant number, since it is smaller than the sum of its proper divisors (252513888).

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

108043680 is a wasteful number, since it uses less digits than its factorization.

108043680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 108043680 is about 10394.4061879455. The cubic root of 108043680 is about 476.2845084907.

The spelling of 108043680 in words is "one hundred eight million, forty-three thousand, six hundred eighty".