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7256252 = 2219307311
BaseRepresentation
bin11011101011100010111100
3111122122201002
4123223202330
53324200002
6415305432
7115451153
oct33534274
914578632
107256252
114106803
12251b278
131670a53
14d6c59a
15985002
hex6eb8bc

7256252 has 24 divisors (see below), whose sum is σ = 13453440. Its totient is φ = 3414960.

The previous prime is 7256251. The next prime is 7256257. The reversal of 7256252 is 2526527.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256251) 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, 23177 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (560560).

Almost surely, 27256252 is an apocalyptic number.

It is an amenable number.

7256252 is a deficient number, since it is larger than the sum of its proper divisors (6197188).

7256252 is a wasteful number, since it uses less digits than its factorization.

7256252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 7256252 is about 2693.7431206409. The cubic root of 7256252 is about 193.5994498880.

The spelling of 7256252 in words is "seven million, two hundred fifty-six thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 307 311 614 622 1228 1244 5833 5909 11666 11818 23332 23636 95477 190954 381908 1814063 3628126 7256252