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52812232 = 23112397269
BaseRepresentation
bin1100100101110…
…1100111001000
310200101010202121
43021131213020
5102004442412
65123541024
71210616344
oct311354710
9120333677
1052812232
11278a1680
121582a774
13ac31455
14702a624
154983107
hex325d9c8

52812232 has 64 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 22640640.

The previous prime is 52812203. The next prime is 52812239. The reversal of 52812232 is 23221825.

52812232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52812197 and 52812206.

It is not an unprimeable number, because it can be changed into a prime (52812239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 196194 + ... + 196462.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 252812232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52812232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57153600).

52812232 is an abundant number, since it is smaller than the sum of its proper divisors (61494968).

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

52812232 is a wasteful number, since it uses less digits than its factorization.

52812232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 52812232 is about 7267.2024878904. The cubic root of 52812232 is about 375.1844591772.

The spelling of 52812232 in words is "fifty-two million, eight hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 97 184 194 253 269 388 506 538 776 1012 1067 1076 2024 2134 2152 2231 2959 4268 4462 5918 6187 8536 8924 11836 12374 17848 23672 24541 24748 26093 49082 49496 52186 68057 98164 104372 136114 196328 208744 272228 287023 544456 574046 600139 1148092 1200278 2296184 2400556 4801112 6601529 13203058 26406116 52812232