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232052421 = 3971515281
BaseRepresentation
bin11011101010011…
…01011011000101
3121011122111002010
431311031123011
5433401134141
635005404433
75515261446
oct1565153305
9534574063
10232052421
11109a95467
1265869719
13390ca533
1422b672cd
151558b416
hexdd4d6c5

232052421 has 16 divisors (see below), whose sum is σ = 314722688. Its totient is φ = 152064000.

The previous prime is 232052413. The next prime is 232052441. The reversal of 232052421 is 124250232.

It is not a de Polignac number, because 232052421 - 23 = 232052413 is a prime.

It is a super-2 number, since 2×2320524212 = 107696652183922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232052411) 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, 41301 + ... + 46581.

It is an arithmetic number, because the mean of its divisors is an integer number (19670168).

Almost surely, 2232052421 is an apocalyptic number.

It is an amenable number.

232052421 is a deficient number, since it is larger than the sum of its proper divisors (82670267).

232052421 is a wasteful number, since it uses less digits than its factorization.

232052421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 232052421 is about 15233.2669181630. The cubic root of 232052421 is about 614.5096415141.

The spelling of 232052421 in words is "two hundred thirty-two million, fifty-two thousand, four hundred twenty-one".

Divisors: 1 3 97 151 291 453 5281 14647 15843 43941 512257 797431 1536771 2392293 77350807 232052421