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33172 = 228293
BaseRepresentation
bin1000000110010100
31200111121
420012110
52030142
6413324
7165466
oct100624
950447
1033172
1122a17
1217244
1312139
14c136
159c67
hex8194

33172 has 6 divisors (see below), whose sum is σ = 58058. Its totient is φ = 16584.

The previous prime is 33161. The next prime is 33179. The reversal of 33172 is 27133.

It can be written as a sum of positive squares in only one way, i.e., 24336 + 8836 = 156^2 + 94^2 .

It is a super-2 number, since 2×331722 = 2200763168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143 + ... + 4150.

233172 is an apocalyptic number.

It is an amenable number.

33172 is a deficient number, since it is larger than the sum of its proper divisors (24886).

33172 is a wasteful number, since it uses less digits than its factorization.

33172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8295 counting only the distinct ones).

The product of its digits is 126, while the sum is 16.

The square root of 33172 is about 182.1318203939. The cubic root of 33172 is about 32.1309736200.

It can be divided in two parts, 331 and 72, that multiplied together give a palindrome (23832).

The spelling of 33172 in words is "thirty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 8293 16586 33172