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5309125 = 5342473
BaseRepresentation
bin10100010000001011000101
3100222201202021
4110100023011
52324343000
6305443141
763061333
oct24201305
910881667
105309125
112aa6908
1219404b1
13113b6c3
149c2b53
156ed11a
hex5102c5

5309125 has 8 divisors (see below), whose sum is σ = 6625944. Its totient is φ = 4247200.

The previous prime is 5309123. The next prime is 5309137. The reversal of 5309125 is 5219035.

It can be written as a sum of positive squares in 4 ways, for example, as 784996 + 4524129 = 886^2 + 2127^2 .

It is not a de Polignac number, because 5309125 - 21 = 5309123 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5309125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309123) 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, 21112 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (828243).

Almost surely, 25309125 is an apocalyptic number.

It is an amenable number.

5309125 is a deficient number, since it is larger than the sum of its proper divisors (1316819).

5309125 is an equidigital number, since it uses as much as digits as its factorization.

5309125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488 (or 42478 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 5309125 is about 2304.1538577100. The cubic root of 5309125 is about 174.4513428814.

The spelling of 5309125 in words is "five million, three hundred nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 42473 212365 1061825 5309125