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8112212 = 222028053
BaseRepresentation
bin11110111100100001010100
3120021010212022
4132330201110
54034042322
6445512312
7125644523
oct36744124
916233768
108112212
114640909
122872698
1318b0534
1411124ba
15aa3942
hex7bc854

8112212 has 6 divisors (see below), whose sum is σ = 14196378. Its totient is φ = 4056104.

The previous prime is 8112211. The next prime is 8112227. The reversal of 8112212 is 2122118.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 80656 = 2834^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014023 + ... + 1014030.

It is an arithmetic number, because the mean of its divisors is an integer number (2366063).

Almost surely, 28112212 is an apocalyptic number.

It is an amenable number.

8112212 is a deficient number, since it is larger than the sum of its proper divisors (6084166).

8112212 is a wasteful number, since it uses less digits than its factorization.

8112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028057 (or 2028055 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 8112212 is about 2848.1945158293. The cubic root of 8112212 is about 200.9307616939.

The spelling of 8112212 in words is "eight million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 2028053 4056106 8112212