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232021012 = 22149389297
BaseRepresentation
bin11011101010001…
…01110000010100
3121011120212222211
431311011300110
5433344133022
635005003204
75515101046
oct1565056024
9534525884
10232021012
11109a73903
1265853504
13390b9152
1422b59a96
1515581e77
hexdd45c14

232021012 has 12 divisors (see below), whose sum is σ = 408762900. Its totient is φ = 115231616.

The previous prime is 232021007. The next prime is 232021051. The reversal of 232021012 is 210120232.

It can be written as a sum of positive squares in 2 ways, for example, as 60777616 + 171243396 = 7796^2 + 13086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232020983 and 232021001.

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 3 ways as a sum of consecutive naturals, for example, 194053 + ... + 195244.

It is an arithmetic number, because the mean of its divisors is an integer number (34063575).

Almost surely, 2232021012 is an apocalyptic number.

It is an amenable number.

232021012 is a deficient number, since it is larger than the sum of its proper divisors (176741888).

232021012 is a wasteful number, since it uses less digits than its factorization.

232021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389450 (or 389448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 232021012 is about 15232.2359488028. The cubic root of 232021012 is about 614.4819150143.

Adding to 232021012 its reverse (210120232), we get a palindrome (442141244).

It can be divided in two parts, 2320 and 21012, that added together give a palindrome (23332).

The spelling of 232021012 in words is "two hundred thirty-two million, twenty-one thousand, twelve".

Divisors: 1 2 4 149 298 596 389297 778594 1557188 58005253 116010506 232021012