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33230223 = 3313175569
BaseRepresentation
bin111111011000…
…0110110001111
32022112021022000
41332300312033
532001331343
63144123343
7552311055
oct176606617
968467260
1033230223
11178373a4
12b166553
136b66370
1445b01d5
152db5ed3
hex1fb0d8f

33230223 has 32 divisors (see below), whose sum is σ = 56145600. Its totient is φ = 19243008.

The previous prime is 33230167. The next prime is 33230237. The reversal of 33230223 is 32203233.

It is not a de Polignac number, because 33230223 - 29 = 33229711 is a prime.

It is a super-2 number, since 2×332302232 = 2208495441259458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33230196 and 33230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3183 + ... + 8751.

It is an arithmetic number, because the mean of its divisors is an integer number (1754550).

Almost surely, 233230223 is an apocalyptic number.

33230223 is a deficient number, since it is larger than the sum of its proper divisors (22915377).

33230223 is a wasteful number, since it uses less digits than its factorization.

33230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 33230223 is about 5764.5661588709. The cubic root of 33230223 is about 321.4976123440.

Adding to 33230223 its reverse (32203233), we get a palindrome (65433456).

The spelling of 33230223 in words is "thirty-three million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 9 13 17 27 39 51 117 153 221 351 459 663 1989 5569 5967 16707 50121 72397 94673 150363 217191 284019 651573 852057 1230749 1954719 2556171 3692247 11076741 33230223