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9255213 = 321193487
BaseRepresentation
bin100011010011…
…100100101101
3122102012202200
4203103210231
54332131323
6530212113
7141445062
oct43234455
918365680
109255213
115251640
123124039
131bc0876
14132cc69
15c2c443
hex8d392d

9255213 has 12 divisors (see below), whose sum is σ = 14584128. Its totient is φ = 5609160.

The previous prime is 9255203. The next prime is 9255221. The reversal of 9255213 is 3125529.

9255213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9255213 - 221 = 7158061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9255203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46645 + ... + 46842.

It is an arithmetic number, because the mean of its divisors is an integer number (1215344).

Almost surely, 29255213 is an apocalyptic number.

It is an amenable number.

9255213 is a deficient number, since it is larger than the sum of its proper divisors (5328915).

9255213 is a wasteful number, since it uses less digits than its factorization.

9255213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93504 (or 93501 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 9255213 is about 3042.2381563579. The cubic root of 9255213 is about 209.9562493892.

The spelling of 9255213 in words is "nine million, two hundred fifty-five thousand, two hundred thirteen".

Divisors: 1 3 9 11 33 99 93487 280461 841383 1028357 3085071 9255213