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56431254 = 23112194091
BaseRepresentation
bin1101011101000…
…1001010010110
310221012000010110
43113101022112
5103421300004
65333303450
71253441415
oct327211226
9127160113
1056431254
1129943700
1216a94b86
13b8ca799
1476cd47c
154e4a589
hex35d1296

56431254 has 48 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 16196400.

The previous prime is 56431247. The next prime is 56431301. The reversal of 56431254 is 45213465.

56431254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11749 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (2721180).

Almost surely, 256431254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56431254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65308320).

56431254 is an abundant number, since it is smaller than the sum of its proper divisors (74185386).

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

56431254 is a wasteful number, since it uses less digits than its factorization.

56431254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137 (or 4126 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 56431254 is about 7512.0738814258. The cubic root of 56431254 is about 383.5658205754.

The spelling of 56431254 in words is "fifty-six million, four hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 121 209 242 363 418 627 726 1254 2299 4091 4598 6897 8182 12273 13794 24546 45001 77729 90002 135003 155458 233187 270006 466374 495011 855019 990022 1485033 1710038 2565057 2970066 5130114 9405209 18810418 28215627 56431254