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107831661 = 375134841
BaseRepresentation
bin1100110110101…
…10000101101101
321111220102020020
412123112011231
5210101103121
614411112353
72446361010
oct633260555
9244812206
10107831661
1155960583
12301426b9
1319456422
141046d377
1597001c6
hex66d616d

107831661 has 8 divisors (see below), whose sum is σ = 164314944. Its totient is φ = 61618080.

The previous prime is 107831651. The next prime is 107831683. The reversal of 107831661 is 166138701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 107831661 - 26 = 107831597 is a prime.

It is a super-2 number, since 2×1078316612 = 23255334228037842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107831611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567400 + ... + 2567441.

It is an arithmetic number, because the mean of its divisors is an integer number (20539368).

Almost surely, 2107831661 is an apocalyptic number.

It is an amenable number.

107831661 is a deficient number, since it is larger than the sum of its proper divisors (56483283).

107831661 is an equidigital number, since it uses as much as digits as its factorization.

107831661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134851.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 107831661 is about 10384.2024729875. The cubic root of 107831661 is about 475.9727596044.

The spelling of 107831661 in words is "one hundred seven million, eight hundred thirty-one thousand, six hundred sixty-one".

Divisors: 1 3 7 21 5134841 15404523 35943887 107831661