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102440908 = 22132119387
BaseRepresentation
bin1100001101100…
…01111111001100
321010202112111201
412012301333030
5202211102113
614055355244
72352506353
oct606617714
9233675451
10102440908
1152909409
122a382b24
13182b982b
14d86899a
158ed7cdd
hex61b1fcc

102440908 has 12 divisors (see below), whose sum is σ = 179416552. Its totient is φ = 51179040.

The previous prime is 102440893. The next prime is 102440911. The reversal of 102440908 is 809044201.

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, 4410 + ... + 14977.

Almost surely, 2102440908 is an apocalyptic number.

It is an amenable number.

102440908 is a deficient number, since it is larger than the sum of its proper divisors (76975644).

102440908 is a wasteful number, since it uses less digits than its factorization.

102440908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20712 (or 20710 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 102440908 is about 10121.3095990588. The cubic root of 102440908 is about 467.9051296727.

The spelling of 102440908 in words is "one hundred two million, four hundred forty thousand, nine hundred eight".

Divisors: 1 2 4 1321 2642 5284 19387 38774 77548 25610227 51220454 102440908