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54739428 = 22331374197
BaseRepresentation
bin1101000011010…
…0000111100100
310211000001101020
43100310013210
5103003130203
65233131140
71233164112
oct320640744
9124001336
1054739428
11289985a7
12163b9ab0
13b4576c3
1473acab2
154c14153
hex34341e4

54739428 has 96 divisors (see below), whose sum is σ = 140141568. Its totient is φ = 16588800.

The previous prime is 54739423. The next prime is 54739493. The reversal of 54739428 is 82493745.

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 self number, because there is not a number n which added to its sum of digits gives 54739428.

It is not an unprimeable number, because it can be changed into a prime (54739423) 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 31 ways as a sum of consecutive naturals, for example, 564276 + ... + 564372.

It is an arithmetic number, because the mean of its divisors is an integer number (1459808).

Almost surely, 254739428 is an apocalyptic number.

It is an amenable number.

54739428 is an abundant number, since it is smaller than the sum of its proper divisors (85402140).

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

54739428 is a wasteful number, since it uses less digits than its factorization.

54739428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 54739428 is about 7398.6098694282. The cubic root of 54739428 is about 379.6937236630.

The spelling of 54739428 in words is "fifty-four million, seven hundred thirty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 31 37 41 62 74 82 93 97 111 123 124 148 164 186 194 222 246 291 372 388 444 492 582 1147 1164 1271 1517 2294 2542 3007 3034 3441 3589 3813 3977 4551 4588 5084 6014 6068 6882 7178 7626 7954 9021 9102 10767 11931 12028 13764 14356 15252 15908 18042 18204 21534 23862 36084 43068 47027 47724 94054 111259 123287 141081 147149 188108 222518 246574 282162 294298 333777 369861 441447 445036 493148 564324 588596 667554 739722 882894 1335108 1479444 1765788 4561619 9123238 13684857 18246476 27369714 54739428