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540131256 = 233274324923
BaseRepresentation
bin100000001100011…
…011111110111000
31101122100111210100
4200030123332320
52101233200011
6125332515400
716246016460
oct4014337670
91348314710
10540131256
11257987675
12130a7bb60
1387b965c2
1451a40ba0
1532643d56
hex2031bfb8

540131256 has 96 divisors (see below), whose sum is σ = 1710783360. Its totient is φ = 150728256.

The previous prime is 540131231. The next prime is 540131257. The reversal of 540131256 is 652131045.

540131256 is a `hidden beast` number, since 5 + 401 + 3 + 1 + 256 = 666.

540131256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540131257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9211 + ... + 34133.

It is an arithmetic number, because the mean of its divisors is an integer number (17820660).

Almost surely, 2540131256 is an apocalyptic number.

540131256 is a gapful number since it is divisible by the number (56) 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 540131256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855391680).

540131256 is an abundant number, since it is smaller than the sum of its proper divisors (1170652104).

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

540131256 is a wasteful number, since it uses less digits than its factorization.

540131256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985 (or 24978 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 540131256 is about 23240.7240851054. The cubic root of 540131256 is about 814.3912580777.

The spelling of 540131256 in words is "five hundred forty million, one hundred thirty-one thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 43 56 63 72 84 86 126 129 168 172 252 258 301 344 387 504 516 602 774 903 1032 1204 1548 1806 2408 2709 3096 3612 5418 7224 10836 21672 24923 49846 74769 99692 149538 174461 199384 224307 299076 348922 448614 523383 598152 697844 897228 1046766 1071689 1395688 1570149 1794456 2093532 2143378 3140298 3215067 4187064 4286756 6280596 6430134 7501823 8573512 9645201 12561192 12860268 15003646 19290402 22505469 25720536 30007292 38580804 45010938 60014584 67516407 77161608 90021876 135032814 180043752 270065628 540131256