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7725056 = 2132341
BaseRepresentation
bin11101011110000000000000
3112112110210012
4131132000000
53434200211
6433324052
7122443013
oct35360000
915473705
107725056
1143a6a49
122706628
1317a6251
14105137a
15a28d8b
hex75e000

7725056 has 56 divisors (see below), whose sum is σ = 16514064. Its totient is φ = 3604480.

The previous prime is 7725043. The next prime is 7725071. The reversal of 7725056 is 6505277.

It is a happy number.

7725056 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188396 + ... + 188436.

It is an arithmetic number, because the mean of its divisors is an integer number (294894).

Almost surely, 27725056 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 7725056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8257032).

7725056 is an abundant number, since it is smaller than the sum of its proper divisors (8789008).

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

7725056 is an equidigital number, since it uses as much as digits as its factorization.

7725056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7725056 is about 2779.3984960779. The cubic root of 7725056 is about 197.6820390713.

The spelling of 7725056 in words is "seven million, seven hundred twenty-five thousand, fifty-six".

Divisors: 1 2 4 8 16 23 32 41 46 64 82 92 128 164 184 256 328 368 512 656 736 943 1024 1312 1472 1886 2048 2624 2944 3772 4096 5248 5888 7544 8192 10496 11776 15088 20992 23552 30176 41984 47104 60352 83968 94208 120704 167936 188416 241408 335872 482816 965632 1931264 3862528 7725056