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107251901 = 791357619
BaseRepresentation
bin1100110010010…
…00100010111101
321110210221221122
412121020202331
5204424030101
614350440325
72441424521
oct631104275
9243727848
10107251901
11555a4a39
122bb030a5
13192b2583
141035bd81
15963851b
hex66488bd

107251901 has 4 divisors (see below), whose sum is σ = 108609600. Its totient is φ = 105894204.

The previous prime is 107251891. The next prime is 107251919. The reversal of 107251901 is 109152701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107251901 is a prime.

It is a super-2 number, since 2×1072519012 = 23005940536227602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107251981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678731 + ... + 678888.

It is an arithmetic number, because the mean of its divisors is an integer number (27152400).

Almost surely, 2107251901 is an apocalyptic number.

It is an amenable number.

107251901 is a deficient number, since it is larger than the sum of its proper divisors (1357699).

107251901 is an equidigital number, since it uses as much as digits as its factorization.

107251901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357698.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 107251901 is about 10356.2493693422. The cubic root of 107251901 is about 475.1181992090.

The spelling of 107251901 in words is "one hundred seven million, two hundred fifty-one thousand, nine hundred one".

Divisors: 1 79 1357619 107251901