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100379965 = 579729567
BaseRepresentation
bin1011111101110…
…10110100111101
320222212211102111
411332322310331
5201144124330
613543254021
72326133650
oct576726475
9228784374
10100379965
1151730a54
122974a311
1317a4773a
14d48d897
158c2c32a
hex5fbad3d

100379965 has 16 divisors (see below), whose sum is σ = 139087872. Its totient is φ = 68120064.

The previous prime is 100379957. The next prime is 100379977. The reversal of 100379965 is 569973001.

It is a cyclic number.

It is not a de Polignac number, because 100379965 - 23 = 100379957 is a prime.

It is a super-2 number, since 2×1003799652 = 20152274746802450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11389 + ... + 18178.

It is an arithmetic number, because the mean of its divisors is an integer number (8692992).

Almost surely, 2100379965 is an apocalyptic number.

It is an amenable number.

100379965 is a deficient number, since it is larger than the sum of its proper divisors (38707907).

100379965 is an equidigital number, since it uses as much as digits as its factorization.

100379965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29676.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 100379965 is about 10018.9802375292. The cubic root of 100379965 is about 464.7460207828.

It can be divided in two parts, 10037 and 9965, that added together give a palindrome (20002).

The spelling of 100379965 in words is "one hundred million, three hundred seventy-nine thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 97 485 679 3395 29567 147835 206969 1034845 2867999 14339995 20075993 100379965