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842108965 = 5612761013
BaseRepresentation
bin110010001100011…
…001000000100101
32011200120120022221
4302030121000211
53211034441330
6215321152341
726603544115
oct6214310045
92150516287
10842108965
113a2391a25
121b602b6b1
13105607639
147dbab045
154dde3b7a
hex32319025

842108965 has 8 divisors (see below), whose sum is σ = 1027097208. Its totient is φ = 662642880.

The previous prime is 842108951. The next prime is 842108999. The reversal of 842108965 is 569801248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96491329 + 745617636 = 9823^2 + 27306^2 .

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

It is not a de Polignac number, because 842108965 - 27 = 842108837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380202 + ... + 1380811.

It is an arithmetic number, because the mean of its divisors is an integer number (128387151).

Almost surely, 2842108965 is an apocalyptic number.

It is an amenable number.

842108965 is a deficient number, since it is larger than the sum of its proper divisors (184988243).

842108965 is a wasteful number, since it uses less digits than its factorization.

842108965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761079.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 842108965 is about 29019.1137872954. The cubic root of 842108965 is about 944.3277751486.

The spelling of 842108965 in words is "eight hundred forty-two million, one hundred eight thousand, nine hundred sixty-five".

Divisors: 1 5 61 305 2761013 13805065 168421793 842108965