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6838225 = 525232
BaseRepresentation
bin11010000101011111010001
3110212102021121
4122011133101
53222310400
6402322241
7112060342
oct32053721
913772247
106838225
113950729
122359381
1315556b4
14ca00c9
1590121a
hex6857d1

6838225 has 9 divisors (see below), whose sum is σ = 8495643. Its totient is φ = 5460120.

The previous prime is 6838217. The next prime is 6838241. The reversal of 6838225 is 5228386.

The square root of 6838225 is 2615.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 4376464 = 1569^2 + 2092^2 .

It is not a de Polignac number, because 6838225 - 23 = 6838217 is a prime.

It is a super-2 number, since 2×68382252 = 93522642301250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12814 + ... + 13336.

Almost surely, 26838225 is an apocalyptic number.

6838225 is the 2615-th square number.

6838225 is the 1308-th centered octagonal number.

It is an amenable number.

6838225 is a deficient number, since it is larger than the sum of its proper divisors (1657418).

6838225 is an frugal number, since it uses more digits than its factorization.

6838225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 528 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The cubic root of 6838225 is about 189.8079777445.

The spelling of 6838225 in words is "six million, eight hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 523 2615 13075 273529 1367645 6838225