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83275137 = 32115359269
BaseRepresentation
bin1001111011010…
…10110110000001
312210200211000100
410331222312001
5132304301022
612132513013
72030553441
oct475526601
9183624010
1083275137
1143008930
1223a7b769
131433903a
14b0ba121
15749e1ac
hex4f6ad81

83275137 has 48 divisors (see below), whose sum is σ = 136468800. Its totient is φ = 48497280.

The previous prime is 83275109. The next prime is 83275147. The reversal of 83275137 is 73157238.

It is not a de Polignac number, because 83275137 - 220 = 82226561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83275147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309439 + ... + 309707.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 283275137 is an apocalyptic number.

It is an amenable number.

83275137 is a deficient number, since it is larger than the sum of its proper divisors (53193663).

83275137 is a wasteful number, since it uses less digits than its factorization.

83275137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 395 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 83275137 is about 9125.5211905951. The cubic root of 83275137 is about 436.6885303299.

The spelling of 83275137 in words is "eighty-three million, two hundred seventy-five thousand, one hundred thirty-seven".

Divisors: 1 3 9 11 33 53 59 99 159 177 269 477 531 583 649 807 1749 1947 2421 2959 3127 5247 5841 8877 9381 14257 15871 26631 28143 34397 42771 47613 103191 128313 142839 156827 174581 309573 470481 523743 841163 1411443 1571229 2523489 7570467 9252793 27758379 83275137