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51852932 = 2212963233
BaseRepresentation
bin1100010111001…
…1011010000100
310121120101211222
43011303122010
5101233243212
65051215512
71166512505
oct305633204
9117511758
1051852932
11272a696a
1215447598
13a986911
146c5abac
154843c72
hex3173684

51852932 has 6 divisors (see below), whose sum is σ = 90742638. Its totient is φ = 25926464.

The previous prime is 51852923. The next prime is 51852937. The reversal of 51852932 is 23925815.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 2768896 = 7006^2 + 1664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51852892 and 51852901.

It is not an unprimeable number, because it can be changed into a prime (51852937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481613 + ... + 6481620.

It is an arithmetic number, because the mean of its divisors is an integer number (15123773).

Almost surely, 251852932 is an apocalyptic number.

It is an amenable number.

51852932 is a deficient number, since it is larger than the sum of its proper divisors (38889706).

51852932 is a wasteful number, since it uses less digits than its factorization.

51852932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12963237 (or 12963235 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 51852932 is about 7200.8979995553. The cubic root of 51852932 is about 372.8989033301.

The spelling of 51852932 in words is "fifty-one million, eight hundred fifty-two thousand, nine hundred thirty-two".

Divisors: 1 2 4 12963233 25926466 51852932