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54580428 = 22327593671
BaseRepresentation
bin1101000000110…
…1010011001100
310210200222021100
43100031103030
5102433033203
65225503100
71231632420
oct320152314
9123628240
1054580428
112889a0a1
1216341a90
13b400216
14736ab80
154bd1ea3
hex340d4cc

54580428 has 72 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 15325920.

The previous prime is 54580423. The next prime is 54580441. The reversal of 54580428 is 82408545.

54580428 is a `hidden beast` number, since 54 + 580 + 4 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 54580392 and 54580401.

It is not an unprimeable number, because it can be changed into a prime (54580423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13033 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 254580428 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 54580428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

54580428 is an abundant number, since it is smaller than the sum of its proper divisors (105812532).

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

54580428 is a wasteful number, since it uses less digits than its factorization.

54580428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 54580428 is about 7387.8567934144. The cubic root of 54580428 is about 379.3257387589.

The spelling of 54580428 in words is "fifty-four million, five hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 59 63 84 118 126 177 236 252 354 413 531 708 826 1062 1239 1652 2124 2478 3671 3717 4956 7342 7434 11013 14684 14868 22026 25697 33039 44052 51394 66078 77091 102788 132156 154182 216589 231273 308364 433178 462546 649767 866356 925092 1299534 1516123 1949301 2599068 3032246 3898602 4548369 6064492 7797204 9096738 13645107 18193476 27290214 54580428