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9225531 = 327146437
BaseRepresentation
bin100011001100…
…010100111011
3122100201001100
4203030110323
54330204111
6525422443
7141262410
oct43142473
918321040
109225531
115231307
12310aa23
131bb01c3
141322107
15c23756
hex8cc53b

9225531 has 12 divisors (see below), whose sum is σ = 15229552. Its totient is φ = 5271696.

The previous prime is 9225499. The next prime is 9225539. The reversal of 9225531 is 1355229.

9225531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9225531 - 25 = 9225499 is a prime.

It is a super-2 number, since 2×92255312 = 170220844463922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9225495 and 9225504.

It is not an unprimeable number, because it can be changed into a prime (9225539) 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, 73156 + ... + 73281.

Almost surely, 29225531 is an apocalyptic number.

9225531 is a deficient number, since it is larger than the sum of its proper divisors (6004021).

9225531 is a wasteful number, since it uses less digits than its factorization.

9225531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146450 (or 146447 counting only the distinct ones).

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

The square root of 9225531 is about 3037.3559225089. The cubic root of 9225531 is about 209.7315617696.

The spelling of 9225531 in words is "nine million, two hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 3 7 9 21 63 146437 439311 1025059 1317933 3075177 9225531