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107977645 = 531169439
BaseRepresentation
bin1100110111110…
…01101110101101
321112011211111001
412123321232231
5210120241040
614414200301
72450536426
oct633715655
9245154431
10107977645
1155a50226
12301b3091
13194a79c9
14104aa64d
15972d59a
hex66f9bad

107977645 has 8 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 86103120.

The previous prime is 107977637. The next prime is 107977651. The reversal of 107977645 is 546779701.

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

It is not a de Polignac number, because 107977645 - 23 = 107977637 is a prime.

It is a super-3 number, since 3×1079776453 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107977595 and 107977604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33165 + ... + 36274.

It is an arithmetic number, because the mean of its divisors is an integer number (16248960).

Almost surely, 2107977645 is an apocalyptic number.

It is an amenable number.

107977645 is a deficient number, since it is larger than the sum of its proper divisors (22014035).

107977645 is an equidigital number, since it uses as much as digits as its factorization.

107977645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69755.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 107977645 is about 10391.2292343110. The cubic root of 107977645 is about 476.1874555912.

The spelling of 107977645 in words is "one hundred seven million, nine hundred seventy-seven thousand, six hundred forty-five".

Divisors: 1 5 311 1555 69439 347195 21595529 107977645