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83133752 = 2313799363
BaseRepresentation
bin1001111010010…
…00010100111000
312210102122001212
410331020110320
5132240240002
612125502252
72026424312
oct475102470
9183378055
1083133752
1142a21689
1223a11988
13142b9890
14b0807b2
157472352
hex4f48538

83133752 has 16 divisors (see below), whose sum is σ = 167866440. Its totient is φ = 38369376.

The previous prime is 83133751. The next prime is 83133763. The reversal of 83133752 is 25733138.

It is a super-2 number, since 2×831337522 = 13822441443195008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83133751) 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, 399578 + ... + 399785.

Almost surely, 283133752 is an apocalyptic number.

It is an amenable number.

83133752 is an abundant number, since it is smaller than the sum of its proper divisors (84732688).

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

83133752 is a wasteful number, since it uses less digits than its factorization.

83133752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799382 (or 799378 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 83133752 is about 9117.7712188890. The cubic root of 83133752 is about 436.4412529127.

The spelling of 83133752 in words is "eighty-three million, one hundred thirty-three thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 799363 1598726 3197452 6394904 10391719 20783438 41566876 83133752