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107665505 = 517274509
BaseRepresentation
bin1100110101011…
…01100001100001
321111120222022022
412122231201201
5210030244010
614403351225
72445066413
oct632554141
9244528268
10107665505
1155857762
1230082515
13193c88cc
14104289b3
1596bad55
hex66ad861

107665505 has 12 divisors (see below), whose sum is σ = 137247420. Its totient is φ = 81064704.

The previous prime is 107665489. The next prime is 107665517. The reversal of 107665505 is 505566701.

It can be written as a sum of positive squares in 6 ways, for example, as 253009 + 107412496 = 503^2 + 10364^2 .

It is not a de Polignac number, because 107665505 - 24 = 107665489 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35810 + ... + 38699.

It is an arithmetic number, because the mean of its divisors is an integer number (11437285).

Almost surely, 2107665505 is an apocalyptic number.

It is an amenable number.

107665505 is a deficient number, since it is larger than the sum of its proper divisors (29581915).

107665505 is an equidigital number, since it uses as much as digits as its factorization.

107665505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74548 (or 74531 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 107665505 is about 10376.1989668664. The cubic root of 107665505 is about 475.7281611116.

The spelling of 107665505 in words is "one hundred seven million, six hundred sixty-five thousand, five hundred five".

Divisors: 1 5 17 85 289 1445 74509 372545 1266653 6333265 21533101 107665505