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10311325 = 522771489
BaseRepresentation
bin100111010101…
…011010011101
3201101212110221
4213111122131
510114430300
61005001341
7153434113
oct47253235
921355427
1010311325
115903062
123553251
1321a049b
141525ab3
15d8a31a
hex9d569d

10311325 has 12 divisors (see below), whose sum is σ = 12840820. Its totient is φ = 8213760.

The previous prime is 10311307. The next prime is 10311341. The reversal of 10311325 is 52311301.

It can be written as a sum of positive squares in 6 ways, for example, as 2137444 + 8173881 = 1462^2 + 2859^2 .

It is not a de Polignac number, because 10311325 - 25 = 10311293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10311299 and 10311308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6181 + ... + 7669.

Almost surely, 210311325 is an apocalyptic number.

It is an amenable number.

10311325 is a deficient number, since it is larger than the sum of its proper divisors (2529495).

10311325 is a wasteful number, since it uses less digits than its factorization.

10311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10311325 is about 3211.1251922029. The cubic root of 10311325 is about 217.6564251043.

Adding to 10311325 its reverse (52311301), we get a palindrome (62622626).

The spelling of 10311325 in words is "ten million, three hundred eleven thousand, three hundred twenty-five".

Divisors: 1 5 25 277 1385 1489 6925 7445 37225 412453 2062265 10311325