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107976969 = 342714919
BaseRepresentation
bin1100110111110…
…01100100001001
321112011210120000
412123321210021
5210120230334
614414153213
72450534442
oct633714411
9245153500
10107976969
1155a4a771
12301b2809
13194a75c9
14104aa2c9
15972d299
hex66f9909

107976969 has 20 divisors (see below), whose sum is σ = 161927040. Its totient is φ = 71704440.

The previous prime is 107976949. The next prime is 107976977. The reversal of 107976969 is 969679701.

It is not a de Polignac number, because 107976969 - 217 = 107845897 is a prime.

It is a super-2 number, since 2×1079769692 = 23318051668853922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107976919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19492 + ... + 24410.

It is an arithmetic number, because the mean of its divisors is an integer number (8096352).

Almost surely, 2107976969 is an apocalyptic number.

It is an amenable number.

107976969 is a deficient number, since it is larger than the sum of its proper divisors (53950071).

107976969 is an equidigital number, since it uses as much as digits as its factorization.

107976969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 107976969 is about 10391.1967068283. The cubic root of 107976969 is about 476.1864618565.

It can be divided in two parts, 10797 and 6969, that added together give a triangular number (17766 = T188).

The spelling of 107976969 in words is "one hundred seven million, nine hundred seventy-six thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 81 271 813 2439 4919 7317 14757 21951 44271 132813 398439 1333049 3999147 11997441 35992323 107976969