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107724961 = 108799103
BaseRepresentation
bin1100110101111…
…00000010100001
321111200222212101
412122330002201
5210034144321
614404530401
72445434641
oct632740241
9244628771
10107724961
11558983a3
12300b0a01
13194199a6
1410442521
1596cd791
hex66bc0a1

107724961 has 4 divisors (see below), whose sum is σ = 107825152. Its totient is φ = 107624772.

The previous prime is 107724941. The next prime is 107724989. The reversal of 107724961 is 169427701.

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 not a de Polignac number, because 107724961 - 213 = 107716769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107724961.

It is not an unprimeable number, because it can be changed into a prime (107724901) 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, 48465 + ... + 50638.

It is an arithmetic number, because the mean of its divisors is an integer number (26956288).

Almost surely, 2107724961 is an apocalyptic number.

It is an amenable number.

107724961 is a deficient number, since it is larger than the sum of its proper divisors (100191).

107724961 is an equidigital number, since it uses as much as digits as its factorization.

107724961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100190.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 107724961 is about 10379.0635897464. The cubic root of 107724961 is about 475.8157152716.

The spelling of 107724961 in words is "one hundred seven million, seven hundred twenty-four thousand, nine hundred sixty-one".

Divisors: 1 1087 99103 107724961