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625268 = 227137163
BaseRepresentation
bin10011000101001110100
31011202201002
42120221310
5130002033
621222432
75212640
oct2305164
91152632
10625268
11397856
12261a18
1318b7a7
14123c20
15c53e8
hex98a74

625268 has 24 divisors (see below), whose sum is σ = 1267392. Its totient is φ = 264384.

The previous prime is 625267. The next prime is 625279. The reversal of 625268 is 862526.

It is a super-3 number, since 3×6252683 = 733364466567746496, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 625268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625267) 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, 3755 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (52808).

2625268 is an apocalyptic number.

It is an amenable number.

625268 is an abundant number, since it is smaller than the sum of its proper divisors (642124).

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

625268 is a wasteful number, since it uses less digits than its factorization.

625268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 625268 is about 790.7388949584. The cubic root of 625268 is about 85.5110162156.

The spelling of 625268 in words is "six hundred twenty-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 137 163 274 326 548 652 959 1141 1918 2282 3836 4564 22331 44662 89324 156317 312634 625268