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52688456 = 2316973881
BaseRepresentation
bin1100100011111…
…1011001001000
310200010211222022
43020333121020
5101442012311
65121144012
71206562442
oct310773110
9120124868
1052688456
1127817687
121578b008
13abba002
146dd7492
15495b5db
hex323f648

52688456 has 16 divisors (see below), whose sum is σ = 98874540. Its totient is φ = 26321920.

The previous prime is 52688431. The next prime is 52688479. The reversal of 52688456 is 65488625.

52688456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46104100 + 6584356 = 6790^2 + 2566^2 .

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 3 ways as a sum of consecutive naturals, for example, 11636 + ... + 15516.

Almost surely, 252688456 is an apocalyptic number.

It is an amenable number.

52688456 is a deficient number, since it is larger than the sum of its proper divisors (46186084).

52688456 is a wasteful number, since it uses less digits than its factorization.

52688456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584 (or 5580 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 52688456 is about 7258.6814229583. The cubic root of 52688456 is about 374.8911233550.

The spelling of 52688456 in words is "fifty-two million, six hundred eighty-eight thousand, four hundred fifty-six".

Divisors: 1 2 4 8 1697 3394 3881 6788 7762 13576 15524 31048 6586057 13172114 26344228 52688456