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33227157 = 3232631831
BaseRepresentation
bin111111011000…
…0000110010101
32022112010002110
41332300012111
532001232112
63144101233
7552266115
oct176600625
968463073
1033227157
1117835067
12b164819
136b64b52
1445ad045
152db513c
hex1fb0195

33227157 has 16 divisors (see below), whose sum is σ = 46430208. Its totient is φ = 21096240.

The previous prime is 33227153. The next prime is 33227177. The reversal of 33227157 is 75172233.

It is not a de Polignac number, because 33227157 - 22 = 33227153 is a prime.

It is a super-2 number, since 2×332271572 = 2208087924605298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33227153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17232 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (2901888).

Almost surely, 233227157 is an apocalyptic number.

It is an amenable number.

33227157 is a deficient number, since it is larger than the sum of its proper divisors (13203051).

33227157 is a wasteful number, since it uses less digits than its factorization.

33227157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its digits is 8820, while the sum is 30.

The square root of 33227157 is about 5764.3002177194. The cubic root of 33227157 is about 321.4877243373.

The spelling of 33227157 in words is "thirty-three million, two hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 23 69 263 789 1831 5493 6049 18147 42113 126339 481553 1444659 11075719 33227157