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5623225 = 52224929
BaseRepresentation
bin10101011100110110111001
3101120200121121
4111130312321
52414420400
6320305241
765540146
oct25346671
911520547
105623225
1131a08a3
121a72221
13121b66a
14a653cd
1576121a
hex55cdb9

5623225 has 6 divisors (see below), whose sum is σ = 6972830. Its totient is φ = 4498560.

The previous prime is 5623217. The next prime is 5623229. The reversal of 5623225 is 5223265.

It can be written as a sum of positive squares in 3 ways, for example, as 374544 + 5248681 = 612^2 + 2291^2 .

It is not a de Polignac number, because 5623225 - 23 = 5623217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 224929 = 5623225 / (5 + 6 + 2 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 5623225.

It is not an unprimeable number, because it can be changed into a prime (5623229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112440 + ... + 112489.

Almost surely, 25623225 is an apocalyptic number.

It is an amenable number.

5623225 is a deficient number, since it is larger than the sum of its proper divisors (1349605).

5623225 is a wasteful number, since it uses less digits than its factorization.

5623225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224939 (or 224934 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 5623225 is about 2371.3340127447. The cubic root of 5623225 is about 177.8259566325.

The spelling of 5623225 in words is "five million, six hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 224929 1124645 5623225