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33230121 = 317709919
BaseRepresentation
bin111111011000…
…0110100101001
32022112021011020
41332300310221
532001330441
63144123053
7552310551
oct176606451
968467136
1033230121
1117837311
12b166489
136b662c2
1445b0161
152db5e66
hex1fb0d29

33230121 has 16 divisors (see below), whose sum is σ = 47030400. Its totient is φ = 20798208.

The previous prime is 33230077. The next prime is 33230123. The reversal of 33230121 is 12103233.

It is not a de Polignac number, because 33230121 - 223 = 24841513 is a prime.

It is a super-2 number, since 2×332301212 = 2208481883349282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33230121.

It is not an unprimeable number, because it can be changed into a prime (33230123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35700 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (2939400).

Almost surely, 233230121 is an apocalyptic number.

It is an amenable number.

33230121 is a deficient number, since it is larger than the sum of its proper divisors (13800279).

33230121 is a wasteful number, since it uses less digits than its factorization.

33230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33230121 is about 5764.5573117109. The cubic root of 33230121 is about 321.4972833985.

Adding to 33230121 its reverse (12103233), we get a palindrome (45333354).

The spelling of 33230121 in words is "thirty-three million, two hundred thirty thousand, one hundred twenty-one".

Divisors: 1 3 17 51 709 919 2127 2757 12053 15623 36159 46869 651571 1954713 11076707 33230121