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54798720 = 273528541
BaseRepresentation
bin1101000100001…
…0100110000000
310211010001201020
43101002212000
5103012024340
65234305440
71233532014
oct321024600
9124101636
1054798720
1128a290a9
1216428280
13b4786a2
1473c6544
154c269d0
hex3442980

54798720 has 64 divisors (see below), whose sum is σ = 174677040. Its totient is φ = 14612480.

The previous prime is 54798707. The next prime is 54798721. The reversal of 54798720 is 2789745.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54798721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12351 + ... + 16190.

Almost surely, 254798720 is an apocalyptic number.

It is an amenable number.

54798720 is an abundant number, since it is smaller than the sum of its proper divisors (119878320).

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

54798720 is a wasteful number, since it uses less digits than its factorization.

54798720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28563 (or 28551 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 54798720 is about 7402.6157539075. The cubic root of 54798720 is about 379.8307648999.

The spelling of 54798720 in words is "fifty-four million, seven hundred ninety-eight thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 28541 57082 85623 114164 142705 171246 228328 285410 342492 428115 456656 570820 684984 856230 913312 1141640 1369968 1712460 1826624 2283280 2739936 3424920 3653248 4566560 5479872 6849840 9133120 10959744 13699680 18266240 27399360 54798720