Search a number
-
+
122312164 = 22132352157
BaseRepresentation
bin1110100101001…
…01010111100100
322112011002202011
413102211113210
5222302442124
620045324004
73013431142
oct722452744
9275132664
10122312164
1163050a37
1234b66604
131c456480
141235c592
15ab10994
hex74a55e4

122312164 has 12 divisors (see below), whose sum is σ = 230511484. Its totient is φ = 56451744.

The previous prime is 122312159. The next prime is 122312173. The reversal of 122312164 is 461213221.

It can be written as a sum of positive squares in 2 ways, for example, as 63329764 + 58982400 = 7958^2 + 7680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176027 + ... + 1176130.

Almost surely, 2122312164 is an apocalyptic number.

It is an amenable number.

122312164 is a deficient number, since it is larger than the sum of its proper divisors (108199320).

122312164 is a wasteful number, since it uses less digits than its factorization.

122312164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352174 (or 2352172 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 122312164 is about 11059.4829897242. The cubic root of 122312164 is about 496.3902203650.

Adding to 122312164 its reverse (461213221), we get a palindrome (583525385).

The spelling of 122312164 in words is "one hundred twenty-two million, three hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 4 13 26 52 2352157 4704314 9408628 30578041 61156082 122312164