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232220256 = 2533178031
BaseRepresentation
bin11011101011101…
…10011001100000
3121011222000022020
431311312121200
5433422022011
635013141440
75516560662
oct1565663140
9534860266
10232220256
1110a09a574
126592a880
1339158a48
1422bac532
15155c1006
hexdd76660

232220256 has 48 divisors (see below), whose sum is σ = 629250048. Its totient is φ = 74908800.

The previous prime is 232220207. The next prime is 232220257. The reversal of 232220256 is 652022232.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232220257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36040 + ... + 41991.

It is an arithmetic number, because the mean of its divisors is an integer number (13109376).

Almost surely, 2232220256 is an apocalyptic number.

It is an amenable number.

232220256 is an abundant number, since it is smaller than the sum of its proper divisors (397029792).

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

232220256 is a wasteful number, since it uses less digits than its factorization.

232220256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78075 (or 78067 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 232220256 is about 15238.7747538967. The cubic root of 232220256 is about 614.6577565683.

Adding to 232220256 its reverse (652022232), we get a palindrome (884242488).

It can be divided in two parts, 2322 and 20256, that added together give a triangular number (22578 = T212).

The spelling of 232220256 in words is "two hundred thirty-two million, two hundred twenty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 78031 156062 234093 312124 468186 624248 936372 1248496 1872744 2418961 2496992 3745488 4837922 7256883 7490976 9675844 14513766 19351688 29027532 38703376 58055064 77406752 116110128 232220256