Search a number
-
+
122632425 = 3252545033
BaseRepresentation
bin1110100111100…
…11100011101001
322112202101001200
413103303203221
5222343214200
620100234413
73016233636
oct723634351
9275671050
10122632425
116324a613
123509ba09
131c539186
141240318d
15ab75800
hex74f38e9

122632425 has 18 divisors (see below), whose sum is σ = 219648702. Its totient is φ = 65403840.

The previous prime is 122632421. The next prime is 122632427. The reversal of 122632425 is 524236221.

It is a happy number.

122632425 is a `hidden beast` number, since 1 + 2 + 2 + 632 + 4 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 30702681 + 91929744 = 5541^2 + 9588^2 .

It is not a de Polignac number, because 122632425 - 22 = 122632421 is a prime.

It is a super-2 number, since 2×1226324252 = 30077423322761250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122632421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 272292 + ... + 272741.

Almost surely, 2122632425 is an apocalyptic number.

122632425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122632425 is a deficient number, since it is larger than the sum of its proper divisors (97016277).

122632425 is a wasteful number, since it uses less digits than its factorization.

122632425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545049 (or 545041 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 122632425 is about 11073.9525464037. The cubic root of 122632425 is about 496.8230905781.

Adding to 122632425 its reverse (524236221), we get a palindrome (646868646).

The spelling of 122632425 in words is "one hundred twenty-two million, six hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 545033 1635099 2725165 4905297 8175495 13625825 24526485 40877475 122632425