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54040008 = 233111712041
BaseRepresentation
bin1100111000100…
…1010111001000
310202200111221210
43032021113020
5102313240013
65210133120
71224222021
oct316112710
9122614853
1054040008
1128560070
12161211a0
13b271249
147269c48
154b26cc3
hex33895c8

54040008 has 64 divisors (see below), whose sum is σ = 156064320. Its totient is φ = 15411200.

The previous prime is 54040001. The next prime is 54040013. The reversal of 54040008 is 80004045.

It is not an unprimeable number, because it can be changed into a prime (54040001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (2438505).

Almost surely, 254040008 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 54040008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78032160).

54040008 is an abundant number, since it is smaller than the sum of its proper divisors (102024312).

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

54040008 is a wasteful number, since it uses less digits than its factorization.

54040008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12078 (or 12074 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 54040008 is about 7351.1909239252. The cubic root of 54040008 is about 378.0696380756.

The spelling of 54040008 in words is "fifty-four million, forty thousand, eight".

Divisors: 1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 66 68 88 102 132 136 187 204 264 374 408 561 748 1122 1496 2244 4488 12041 24082 36123 48164 72246 96328 132451 144492 204697 264902 288984 397353 409394 529804 614091 794706 818788 1059608 1228182 1589412 1637576 2251667 2456364 3178824 4503334 4912728 6755001 9006668 13510002 18013336 27020004 54040008