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52406228 = 2271871651
BaseRepresentation
bin1100011111101…
…0011111010100
310122121111211102
43013322133110
5101403444403
65111125232
71204305560
oct307723724
9118544742
1052406228
1127644636
1215673818
13ab1b704
146d626a0
154902b88
hex31fa7d4

52406228 has 12 divisors (see below), whose sum is σ = 104812512. Its totient is φ = 22459800.

The previous prime is 52406227. The next prime is 52406279. The reversal of 52406228 is 82260425.

52406228 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52406228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935798 + ... + 935853.

It is an arithmetic number, because the mean of its divisors is an integer number (8734376).

Almost surely, 252406228 is an apocalyptic number.

It is an amenable number.

52406228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52406228 is a wasteful number, since it uses less digits than its factorization.

52406228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871662 (or 1871660 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 52406228 is about 7239.2145982834. The cubic root of 52406228 is about 374.2205510883.

The spelling of 52406228 in words is "fifty-two million, four hundred six thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 1871651 3743302 7486604 13101557 26203114 52406228