Search a number
-
+
117397225 = 521121972
BaseRepresentation
bin1101111111101…
…01011011101001
322011220101201101
412333311123221
5220023202400
615352121401
72623600651
oct677653351
9264811641
10117397225
11602a4300
1233396261
131b42531a
141183d361
15a48e56a
hex6ff56e9

117397225 has 27 divisors (see below), whose sum is σ = 160825861. Its totient is φ = 84946400.

The previous prime is 117397193. The next prime is 117397261. The reversal of 117397225 is 522793711.

The square root of 117397225 is 10835.

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

It can be written as a sum of positive squares in 4 ways, for example, as 27071209 + 90326016 = 5203^2 + 9504^2 .

It is not a de Polignac number, because 117397225 - 25 = 117397193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 595827 + ... + 596023.

Almost surely, 2117397225 is an apocalyptic number.

117397225 is the 10835-th square number.

117397225 is the 5418-th centered octagonal number.

It is an amenable number.

117397225 is a deficient number, since it is larger than the sum of its proper divisors (43428636).

117397225 is an equidigital number, since it uses as much as digits as its factorization.

117397225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 213 counting only the distinct ones).

The product of its digits is 26460, while the sum is 37.

The cubic root of 117397225 is about 489.6502084996.

The spelling of 117397225 in words is "one hundred seventeen million, three hundred ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 121 197 275 605 985 2167 3025 4925 10835 23837 38809 54175 119185 194045 426899 595925 970225 2134495 4695889 10672475 23479445 117397225