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54813128 = 2331122031
BaseRepresentation
bin1101000100011…
…0000111001000
310211010210110212
43101012013020
5103013010003
65234500252
71233622016
oct321060710
9124123425
1054813128
1128a38a07
1216434688
13b482106
1473cb8b6
154c2add8
hex34461c8

54813128 has 16 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 27317200.

The previous prime is 54813127. The next prime is 54813131. The reversal of 54813128 is 82131845.

It is a super-2 number, since 2×548131282 = 6008958002288768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54813094 and 54813103.

It is not an unprimeable number, because it can be changed into a prime (54813127) 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, 8528 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (6444360).

Almost surely, 254813128 is an apocalyptic number.

It is an amenable number.

54813128 is a deficient number, since it is larger than the sum of its proper divisors (48296632).

54813128 is a wasteful number, since it uses less digits than its factorization.

54813128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348 (or 22344 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 54813128 is about 7403.5888594654. The cubic root of 54813128 is about 379.8640510917.

The spelling of 54813128 in words is "fifty-four million, eight hundred thirteen thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 311 622 1244 2488 22031 44062 88124 176248 6851641 13703282 27406564 54813128