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107986837 = 7213116823
BaseRepresentation
bin1100110111110…
…11111110010101
321112012022002111
412123323332111
5210121034322
614414311021
72450605300
oct633737625
9245168074
10107986837
1155a57122
12301b8471
13194abc4a
14104adb37
159731177
hex66fbf95

107986837 has 12 divisors (see below), whose sum is σ = 126583776. Its totient is φ = 91848120.

The previous prime is 107986829. The next prime is 107986843. The reversal of 107986837 is 738689701.

It is not a de Polignac number, because 107986837 - 23 = 107986829 is a prime.

It is a super-2 number, since 2×1079868372 = 23322313930529138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107986847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993 + ... + 14830.

It is an arithmetic number, because the mean of its divisors is an integer number (10548648).

Almost surely, 2107986837 is an apocalyptic number.

It is an amenable number.

107986837 is a deficient number, since it is larger than the sum of its proper divisors (18596939).

107986837 is a wasteful number, since it uses less digits than its factorization.

107986837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16968 (or 16961 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 107986837 is about 10391.6715209826. The cubic root of 107986837 is about 476.2009676192.

The spelling of 107986837 in words is "one hundred seven million, nine hundred eighty-six thousand, eight hundred thirty-seven".

Divisors: 1 7 49 131 917 6419 16823 117761 824327 2203813 15426691 107986837