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54780672 = 28371329
BaseRepresentation
bin1101000011111…
…0001100000000
310211002010221210
43100332030000
5103010440142
65234050120
71233425262
oct320761400
9124063853
1054780672
1128a16591
1216419940
13b4703cb
1473bdb32
154c2149c
hex343e300

54780672 has 36 divisors (see below), whose sum is σ = 145798520. Its totient is φ = 18259968.

The previous prime is 54780659. The next prime is 54780673. The reversal of 54780672 is 27608745.

It is a self number, because there is not a number n which added to its sum of digits gives 54780672.

It is not an unprimeable number, because it can be changed into a prime (54780673) 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, 34897 + ... + 36432.

Almost surely, 254780672 is an apocalyptic number.

It is an amenable number.

54780672 is an abundant number, since it is smaller than the sum of its proper divisors (91017848).

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

54780672 is an equidigital number, since it uses as much as digits as its factorization.

54780672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71348 (or 71334 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 54780672 is about 7401.3966249621. The cubic root of 54780672 is about 379.7890611377.

The spelling of 54780672 in words is "fifty-four million, seven hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 71329 142658 213987 285316 427974 570632 855948 1141264 1711896 2282528 3423792 4565056 6847584 9130112 13695168 18260224 27390336 54780672