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83112212 = 22371513719
BaseRepresentation
bin1001111010000…
…11000100010100
312210101112112002
410331003010110
5132234042322
612125214432
72026304441
oct475030424
9183345462
1083112212
1142a07487
1223a01418
13142acb31
14b0769c8
15746ac92
hex4f43114

83112212 has 24 divisors (see below), whose sum is σ = 150407040. Its totient is φ = 40154400.

The previous prime is 83112119. The next prime is 83112217. The reversal of 83112212 is 21221138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83112217) by changing a digit.

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, 20489 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (6266960).

Almost surely, 283112212 is an apocalyptic number.

It is an amenable number.

83112212 is a deficient number, since it is larger than the sum of its proper divisors (67294828).

83112212 is a wasteful number, since it uses less digits than its factorization.

83112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911 (or 3909 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 83112212 is about 9116.5899326448. The cubic root of 83112212 is about 436.4035556020.

The spelling of 83112212 in words is "eighty-three million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 151 302 604 3719 5587 7438 11174 14876 22348 137603 275206 550412 561569 1123138 2246276 20778053 41556106 83112212