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54512872 = 237698861
BaseRepresentation
bin1100111111110…
…0110011101000
310210120112121021
43033330303220
5102423402442
65224222224
71231231441
oct317746350
9123515537
1054512872
1128853367
121630a974
13b3a854b
1473502c8
154bbbe67
hex33fcce8

54512872 has 16 divisors (see below), whose sum is σ = 102356100. Its totient is φ = 27217920.

The previous prime is 54512869. The next prime is 54512879. The reversal of 54512872 is 27821545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50211396 + 4301476 = 7086^2 + 2074^2 .

It is not an unprimeable number, because it can be changed into a prime (54512879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722 + ... + 10582.

Almost surely, 254512872 is an apocalyptic number.

It is an amenable number.

54512872 is a deficient number, since it is larger than the sum of its proper divisors (47843228).

54512872 is a wasteful number, since it uses less digits than its factorization.

54512872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636 (or 9632 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 54512872 is about 7383.2832804925. The cubic root of 54512872 is about 379.1691728101.

The spelling of 54512872 in words is "fifty-four million, five hundred twelve thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 769 1538 3076 6152 8861 17722 35444 70888 6814109 13628218 27256436 54512872