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108939964 = 2273890713
BaseRepresentation
bin1100111111001…
…00101010111100
321120222201112111
412133210222330
5210342034324
614450543404
72461655140
oct637445274
9246881474
10108939964
1156548231
1230597b64
1319753a23
141067b220
15986d794
hex67e4abc

108939964 has 12 divisors (see below), whose sum is σ = 217879984. Its totient is φ = 46688544.

The previous prime is 108939959. The next prime is 108939967. The reversal of 108939964 is 469939801.

108939964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108939967) 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, 1945329 + ... + 1945384.

Almost surely, 2108939964 is an apocalyptic number.

108939964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

108939964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

108939964 is a wasteful number, since it uses less digits than its factorization.

108939964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890724 (or 3890722 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 108939964 is about 10437.4309099510. The cubic root of 108939964 is about 477.5979006704.

The spelling of 108939964 in words is "one hundred eight million, nine hundred thirty-nine thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 3890713 7781426 15562852 27234991 54469982 108939964