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56458272 = 25313192381
BaseRepresentation
bin1101011101011…
…1110000100000
310221020101012010
43113113300200
5103423131042
65334032520
71253613243
oct327276040
9127211163
1056458272
1129961a32
1216aa8740
13b909b80
1476d925a
154e5359c
hex35d7c20

56458272 has 96 divisors (see below), whose sum is σ = 168073920. Its totient is φ = 16450560.

The previous prime is 56458267. The next prime is 56458279. The reversal of 56458272 is 27285465.

56458272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 56458272.

It is not an unprimeable number, because it can be changed into a prime (56458279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22522 + ... + 24902.

It is an arithmetic number, because the mean of its divisors is an integer number (1750770).

Almost surely, 256458272 is an apocalyptic number.

56458272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56458272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84036960).

56458272 is an abundant number, since it is smaller than the sum of its proper divisors (111615648).

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

56458272 is a wasteful number, since it uses less digits than its factorization.

56458272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2418 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 56458272 is about 7513.8719712276. The cubic root of 56458272 is about 383.6270250035.

The spelling of 56458272 in words is "fifty-six million, four hundred fifty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 76 78 96 104 114 152 156 208 228 247 304 312 416 456 494 608 624 741 912 988 1248 1482 1824 1976 2381 2964 3952 4762 5928 7143 7904 9524 11856 14286 19048 23712 28572 30953 38096 45239 57144 61906 76192 90478 92859 114288 123812 135717 180956 185718 228576 247624 271434 361912 371436 495248 542868 588107 723824 742872 990496 1085736 1176214 1447648 1485744 1764321 2171472 2352428 2971488 3528642 4342944 4704856 7057284 9409712 14114568 18819424 28229136 56458272