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109956402 = 2326108689
BaseRepresentation
bin1101000110111…
…00110100110010
321122220100211100
412203130310302
5211122101102
614524425230
72503420413
oct643346462
9248810740
10109956402
1157081966
12309a8216
1319a1b57a
141086380a
1599bea1c
hex68dcd32

109956402 has 12 divisors (see below), whose sum is σ = 238238910. Its totient is φ = 36652128.

The previous prime is 109956389. The next prime is 109956403. The reversal of 109956402 is 204659901.

109956402 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 5 + 640 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 91987281 + 17969121 = 9591^2 + 4239^2 .

It is not an unprimeable number, because it can be changed into a prime (109956403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3054327 + ... + 3054362.

Almost surely, 2109956402 is an apocalyptic number.

109956402 is an abundant number, since it is smaller than the sum of its proper divisors (128282508).

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

109956402 is a wasteful number, since it uses less digits than its factorization.

109956402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108697 (or 6108694 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 109956402 is about 10486.0098226160. The cubic root of 109956402 is about 479.0786754253.

The spelling of 109956402 in words is "one hundred nine million, nine hundred fifty-six thousand, four hundred two".

Divisors: 1 2 3 6 9 18 6108689 12217378 18326067 36652134 54978201 109956402