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54660384 = 2532533581
BaseRepresentation
bin1101000010000…
…0110100100000
310210212000221200
43100200310200
5102443113014
65231321200
71232414502
oct320406440
9123760850
1054660384
1128944179
1216380200
13b42a72c
14738bd72
154beaa09
hex3420d20

54660384 has 72 divisors (see below), whose sum is σ = 158417532. Its totient is φ = 17871360.

The previous prime is 54660379. The next prime is 54660413. The reversal of 54660384 is 48306645.

54660384 is a `hidden beast` number, since 5 + 46 + 603 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48608784 + 6051600 = 6972^2 + 2460^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13474 + ... + 17054.

Almost surely, 254660384 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 54660384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79208766).

54660384 is an abundant number, since it is smaller than the sum of its proper divisors (103757148).

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

54660384 is a wasteful number, since it uses less digits than its factorization.

54660384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 54660384 is about 7393.2661253332. The cubic root of 54660384 is about 379.5108757630.

The spelling of 54660384 in words is "fifty-four million, six hundred sixty thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 72 96 106 144 159 212 288 318 424 477 636 848 954 1272 1696 1908 2544 3581 3816 5088 7162 7632 10743 14324 15264 21486 28648 32229 42972 57296 64458 85944 114592 128916 171888 189793 257832 343776 379586 515664 569379 759172 1031328 1138758 1518344 1708137 2277516 3036688 3416274 4555032 6073376 6832548 9110064 13665096 18220128 27330192 54660384