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107253621 = 3221156479
BaseRepresentation
bin1100110010010…
…00111101110101
321110211001022100
412121020331311
5204424103441
614350452313
72441432526
oct631107565
9243731270
10107253621
11555a6262
122bb04099
13192b32a7
141035c84d
159638cb6
hex6648f75

107253621 has 12 divisors (see below), whose sum is σ = 155658880. Its totient is φ = 71162280.

The previous prime is 107253607. The next prime is 107253649. The reversal of 107253621 is 126352701.

It is a happy number.

107253621 is a `hidden beast` number, since 10 + 7 + 25 + 3 + 621 = 666.

It is not a de Polignac number, because 107253621 - 26 = 107253557 is a prime.

It is a super-2 number, since 2×1072536212 = 23006678435223282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107253691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26341 + ... + 30138.

Almost surely, 2107253621 is an apocalyptic number.

It is an amenable number.

107253621 is a deficient number, since it is larger than the sum of its proper divisors (48405259).

107253621 is a wasteful number, since it uses less digits than its factorization.

107253621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56696 (or 56693 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 107253621 is about 10356.3324106558. The cubic root of 107253621 is about 475.1207390208.

The spelling of 107253621 in words is "one hundred seven million, two hundred fifty-three thousand, six hundred twenty-one".

Divisors: 1 3 9 211 633 1899 56479 169437 508311 11917069 35751207 107253621