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5172325 = 52313661
BaseRepresentation
bin10011101110110001100101
3100201210002121
4103232301211
52311003300
6302505541
761651444
oct23566145
910653077
105172325
112a13054
1218952b1
1310c1362
14988d5b
156c281a
hex4eec65

5172325 has 12 divisors (see below), whose sum is σ = 6443908. Its totient is φ = 4118400.

The previous prime is 5172317. The next prime is 5172337. The reversal of 5172325 is 5232715.

It can be written as a sum of positive squares in 6 ways, for example, as 567009 + 4605316 = 753^2 + 2146^2 .

It is not a de Polignac number, because 5172325 - 23 = 5172317 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 an Ulam number.

It is a Duffinian number.

5172325 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5172325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7495 + ... + 8155.

Almost surely, 25172325 is an apocalyptic number.

It is an amenable number.

5172325 is a deficient number, since it is larger than the sum of its proper divisors (1271583).

5172325 is a wasteful number, since it uses less digits than its factorization.

5172325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 979 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 5172325 is about 2274.2746096283. The cubic root of 5172325 is about 172.9399259046.

It can be divided in two parts, 517 and 2325, that multiplied together give a triangular number (1202025 = T1550).

The spelling of 5172325 in words is "five million, one hundred seventy-two thousand, three hundred twenty-five".

Divisors: 1 5 25 313 661 1565 3305 7825 16525 206893 1034465 5172325