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107376981 = 3172105431
BaseRepresentation
bin1100110011001…
…11000101010101
321111001022112020
412121213011111
5204442030411
614353243353
72442455265
oct631470525
9244038466
10107376981
115567aa08
122bb63559
131932749a
14103917a5
159660606
hex6667155

107376981 has 8 divisors (see below), whose sum is σ = 151591104. Its totient is φ = 67373760.

The previous prime is 107376979. The next prime is 107376989. The reversal of 107376981 is 189673701.

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

It is not a de Polignac number, because 107376981 - 21 = 107376979 is a prime.

It is a super-2 number, since 2×1073769812 = 23059632097348722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107376989) 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, 1052665 + ... + 1052766.

It is an arithmetic number, because the mean of its divisors is an integer number (18948888).

Almost surely, 2107376981 is an apocalyptic number.

It is an amenable number.

107376981 is a deficient number, since it is larger than the sum of its proper divisors (44214123).

107376981 is a wasteful number, since it uses less digits than its factorization.

107376981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105451.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 107376981 is about 10362.2864754841. The cubic root of 107376981 is about 475.3028259201.

The spelling of 107376981 in words is "one hundred seven million, three hundred seventy-six thousand, nine hundred eighty-one".

Divisors: 1 3 17 51 2105431 6316293 35792327 107376981