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83508036 = 2236959003
BaseRepresentation
bin1001111101000…
…11101101000100
312211010122111020
410332203231010
5132334224121
612141511140
72032543443
oct476435504
9184118436
1083508036
1143157907
1223b724b0
13143bb051
14b13ad5a
1574e81c6
hex4fa3b44

83508036 has 12 divisors (see below), whose sum is σ = 194852112. Its totient is φ = 27836008.

The previous prime is 83508031. The next prime is 83508053. The reversal of 83508036 is 63080538.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 83507988 and 83508006.

It is not an unprimeable number, because it can be changed into a prime (83508031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479490 + ... + 3479513.

It is an arithmetic number, because the mean of its divisors is an integer number (16237676).

Almost surely, 283508036 is an apocalyptic number.

It is an amenable number.

83508036 is an abundant number, since it is smaller than the sum of its proper divisors (111344076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83508036 is a wasteful number, since it uses less digits than its factorization.

83508036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959010 (or 6959008 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83508036 is about 9138.2731410262. The cubic root of 83508036 is about 437.0952529892.

The spelling of 83508036 in words is "eighty-three million, five hundred eight thousand, thirty-six".

Divisors: 1 2 3 4 6 12 6959003 13918006 20877009 27836012 41754018 83508036