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107682565 = 521536513
BaseRepresentation
bin1100110101100…
…01101100000101
321111121211201011
412122301230011
5210031320230
614404002221
72445200224
oct632615405
9244554634
10107682565
1155869561
1230090371
13194035c3
1410430cbb
1596c0e2a
hex66b1b05

107682565 has 4 divisors (see below), whose sum is σ = 129219084. Its totient is φ = 86146048.

The previous prime is 107682563. The next prime is 107682587. The reversal of 107682565 is 565286701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565286701 = 780755243.

It can be written as a sum of positive squares in 2 ways, for example, as 80964004 + 26718561 = 8998^2 + 5169^2 .

It is a cyclic number.

It is not a de Polignac number, because 107682565 - 21 = 107682563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107682563) 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, 10768252 + ... + 10768261.

It is an arithmetic number, because the mean of its divisors is an integer number (32304771).

Almost surely, 2107682565 is an apocalyptic number.

It is an amenable number.

107682565 is a deficient number, since it is larger than the sum of its proper divisors (21536519).

107682565 is an equidigital number, since it uses as much as digits as its factorization.

107682565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536518.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 107682565 is about 10377.0210079772. The cubic root of 107682565 is about 475.7532867505.

The spelling of 107682565 in words is "one hundred seven million, six hundred eighty-two thousand, five hundred sixty-five".

Divisors: 1 5 21536513 107682565