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54402972 = 22313615717
BaseRepresentation
bin1100111110000…
…1111110011100
310210100221211220
43033201332130
5102411343342
65222013340
71230263151
oct317417634
9123327756
1054402972
1128788838
1216277250
13b36a510
147322228
154b995ec
hex33e1f9c

54402972 has 48 divisors (see below), whose sum is σ = 138970272. Its totient is φ = 16462080.

The previous prime is 54402917. The next prime is 54402991. The reversal of 54402972 is 27920445.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6658 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (2895214).

Almost surely, 254402972 is an apocalyptic number.

54402972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54402972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69485136).

54402972 is an abundant number, since it is smaller than the sum of its proper divisors (84567300).

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

54402972 is a wasteful number, since it uses less digits than its factorization.

54402972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 54402972 is about 7375.8370372453. The cubic root of 54402972 is about 378.9141949477.

The spelling of 54402972 in words is "fifty-four million, four hundred two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 61 78 122 156 183 244 366 732 793 1586 2379 3172 4758 5717 9516 11434 17151 22868 34302 68604 74321 148642 222963 297284 348737 445926 697474 891852 1046211 1394948 2092422 4184844 4533581 9067162 13600743 18134324 27201486 54402972