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107665061 = 761252143
BaseRepresentation
bin1100110101011…
…01011010100101
321111120221200212
412122231122211
5210030240221
614403345205
72445065210
oct632553245
9244527625
10107665061
1155857399
1230082205
13193c864a
1410428777
1596bab5b
hex66ad6a5

107665061 has 8 divisors (see below), whose sum is σ = 125063424. Its totient is φ = 90771120.

The previous prime is 107665043. The next prime is 107665111. The reversal of 107665061 is 160566701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107665061 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 (107665361) 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, 125645 + ... + 126498.

It is an arithmetic number, because the mean of its divisors is an integer number (15632928).

Almost surely, 2107665061 is an apocalyptic number.

It is an amenable number.

107665061 is a deficient number, since it is larger than the sum of its proper divisors (17398363).

107665061 is an equidigital number, since it uses as much as digits as its factorization.

107665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252211.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 107665061 is about 10376.1775717265. The cubic root of 107665061 is about 475.7275071615.

The spelling of 107665061 in words is "one hundred seven million, six hundred sixty-five thousand, sixty-one".

Divisors: 1 7 61 427 252143 1765001 15380723 107665061