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54231408 = 24327116773
BaseRepresentation
bin1100111011100…
…0000101110000
310210001020111200
43032320011300
5102340401113
65214211200
71225650030
oct316700560
9123036450
1054231408
1128680950
12161b3b00
13b30a3ba
1472b98c0
154b63873
hex33b8170

54231408 has 240 divisors, whose sum is σ = 194678016. Its totient is φ = 13685760.

The previous prime is 54231407. The next prime is 54231427. The reversal of 54231408 is 80413245.

It is a super-2 number, since 2×542314082 = 5882091227324928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54231403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742860 + ... + 742932.

Almost surely, 254231408 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 54231408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97339008).

54231408 is an abundant number, since it is smaller than the sum of its proper divisors (140446608).

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

54231408 is a wasteful number, since it uses less digits than its factorization.

54231408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54231408 is about 7364.1977159769. The cubic root of 54231408 is about 378.5154637235.

The spelling of 54231408 in words is "fifty-four million, two hundred thirty-one thousand, four hundred eight".