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5131456 = 261137197
BaseRepresentation
bin10011100100110011000000
3100122201000221
4103210303000
52303201311
6301552424
761421341
oct23446300
910581027
105131456
112995380
121875714
1310a8885
149780c8
156b5671
hex4e4cc0

5131456 has 56 divisors (see below), whose sum is σ = 11466576. Its totient is φ = 2257920.

The previous prime is 5131447. The next prime is 5131457. The reversal of 5131456 is 6541315.

It is a self number, because there is not a number n which added to its sum of digits gives 5131456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25950 + ... + 26146.

Almost surely, 25131456 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 5131456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733288).

5131456 is an abundant number, since it is smaller than the sum of its proper divisors (6335120).

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

5131456 is a wasteful number, since it uses less digits than its factorization.

5131456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 247 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 5131456 is about 2265.2717276300. The cubic root of 5131456 is about 172.4832273827.

The spelling of 5131456 in words is "five million, one hundred thirty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 11 16 22 32 37 44 64 74 88 148 176 197 296 352 394 407 592 704 788 814 1184 1576 1628 2167 2368 3152 3256 4334 6304 6512 7289 8668 12608 13024 14578 17336 26048 29156 34672 58312 69344 80179 116624 138688 160358 233248 320716 466496 641432 1282864 2565728 5131456