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107611607 = 136778721
BaseRepresentation
bin1100110101000…
…00010111010111
321111111020101002
412122200113113
5210022032412
614402253515
72444453315
oct632402727
9244436332
10107611607
1155820214
123005729b
13193aa20c
14104130b5
1596a9dc2
hex66a05d7

107611607 has 4 divisors (see below), whose sum is σ = 107691696. Its totient is φ = 107531520.

The previous prime is 107611601. The next prime is 107611613. The reversal of 107611607 is 706116701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (107611601) and next prime (107611613).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107611607 is a prime.

It is a super-2 number, since 2×1076116072 = 23160515922244898, which contains 22 as substring.

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 107611607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107611601) 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, 37994 + ... + 40727.

It is an arithmetic number, because the mean of its divisors is an integer number (26922924).

Almost surely, 2107611607 is an apocalyptic number.

107611607 is a deficient number, since it is larger than the sum of its proper divisors (80089).

107611607 is an equidigital number, since it uses as much as digits as its factorization.

107611607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80088.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 107611607 is about 10373.6014479061. The cubic root of 107611607 is about 475.6487637340.

The spelling of 107611607 in words is "one hundred seven million, six hundred eleven thousand, six hundred seven".

Divisors: 1 1367 78721 107611607