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102690960 = 2435427879
BaseRepresentation
bin1100001111011…
…11000010010000
321011020020111220
412013233002100
5202242102320
614105005040
72354600361
oct607570220
9234206456
10102690960
1152a6a269
122a483780
13183765a8
14d8d1b68
159036e40
hex61ef090

102690960 has 40 divisors (see below), whose sum is σ = 318342720. Its totient is φ = 27384192.

The previous prime is 102690919. The next prime is 102690961. The reversal of 102690960 is 69096201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (102690961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213700 + ... + 214179.

It is an arithmetic number, because the mean of its divisors is an integer number (7958568).

Almost surely, 2102690960 is an apocalyptic number.

102690960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102690960 is an abundant number, since it is smaller than the sum of its proper divisors (215651760).

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

102690960 is a wasteful number, since it uses less digits than its factorization.

102690960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427895 (or 427889 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 102690960 is about 10133.6548194617. The cubic root of 102690960 is about 468.2855296110.

The spelling of 102690960 in words is "one hundred two million, six hundred ninety thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 427879 855758 1283637 1711516 2139395 2567274 3423032 4278790 5134548 6418185 6846064 8557580 10269096 12836370 17115160 20538192 25672740 34230320 51345480 102690960