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83397884 = 2297214943
BaseRepresentation
bin1001111100010…
…00110011111100
312210221001101112
410332020303330
5132322213014
612135301152
72031604343
oct476106374
9183831345
1083397884
1143092079
1223b1a7b8
131437cb7b
14b10cb5a
1574c573e
hex4f88cfc

83397884 has 12 divisors (see below), whose sum is σ = 147451584. Its totient is φ = 41268864.

The previous prime is 83397883. The next prime is 83397887. The reversal of 83397884 is 48879338.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83397883) 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, 107084 + ... + 107859.

It is an arithmetic number, because the mean of its divisors is an integer number (12287632).

Almost surely, 283397884 is an apocalyptic number.

It is an amenable number.

83397884 is a deficient number, since it is larger than the sum of its proper divisors (64053700).

83397884 is a wasteful number, since it uses less digits than its factorization.

83397884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215044 (or 215042 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 83397884 is about 9132.2441929681. The cubic root of 83397884 is about 436.9029836632.

The spelling of 83397884 in words is "eighty-three million, three hundred ninety-seven thousand, eight hundred eighty-four".

Divisors: 1 2 4 97 194 388 214943 429886 859772 20849471 41698942 83397884