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8425252 = 2211419457
BaseRepresentation
bin100000001000…
…111100100100
3120212001021101
4200020330210
54124102002
6500325444
7131420263
oct40107444
916761241
108425252
114835020
1229a3884
13198cb74
1411945da
15b16587
hex808f24

8425252 has 24 divisors (see below), whose sum is σ = 16158240. Its totient is φ = 3812160.

The previous prime is 8425243. The next prime is 8425253. The reversal of 8425252 is 2525248.

It is a d-powerful number, because it can be written as 83 + 46 + 2 + 52 + 214 + 56 + 223 .

It is a self number, because there is not a number n which added to its sum of digits gives 8425252.

It is not an unprimeable number, because it can be changed into a prime (8425253) 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, 18208 + ... + 18664.

It is an arithmetic number, because the mean of its divisors is an integer number (673260).

Almost surely, 28425252 is an apocalyptic number.

It is an amenable number.

8425252 is a deficient number, since it is larger than the sum of its proper divisors (7732988).

8425252 is a wasteful number, since it uses less digits than its factorization.

8425252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 8425252 is about 2902.6284639960. The cubic root of 8425252 is about 203.4827663206.

The spelling of 8425252 in words is "eight million, four hundred twenty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 419 457 838 914 1676 1828 4609 5027 9218 10054 18436 20108 191483 382966 765932 2106313 4212626 8425252