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33230020 = 2252716131
BaseRepresentation
bin111111011000…
…0110011000100
32022112021000111
41332300303010
532001330040
63144122404
7552310345
oct176606304
968467014
1033230020
111783722a
12b166404
136b66245
1445b00cc
152db5dea
hex1fb0cc4

33230020 has 24 divisors (see below), whose sum is σ = 70051968. Its totient is φ = 13240800.

The previous prime is 33230017. The next prime is 33230077. The reversal of 33230020 is 2003233.

It is a super-2 number, since 2×332300202 = 2208468458400800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2355 + ... + 8485.

It is an arithmetic number, because the mean of its divisors is an integer number (2918832).

Almost surely, 233230020 is an apocalyptic number.

It is an amenable number.

33230020 is an abundant number, since it is smaller than the sum of its proper divisors (36821948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33230020 is a wasteful number, since it uses less digits than its factorization.

33230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 33230020 is about 5764.5485512744. The cubic root of 33230020 is about 321.4969576774.

Adding to 33230020 its reverse (2003233), we get a palindrome (35233253).

The spelling of 33230020 in words is "thirty-three million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 6131 12262 24524 30655 61310 122620 1661501 3323002 6646004 8307505 16615010 33230020