Search a number
-
+
164406268 = 221331791291
BaseRepresentation
bin10011100110010…
…10001111111100
3102110100201000001
421303022033330
5314042000033
624151444044
74034300365
oct1163121774
9373321001
10164406268
1184891954
1247086624
13280a4220
1417b98b6c
15e677e7d
hex9cca3fc

164406268 has 48 divisors (see below), whose sum is σ = 324136960. Its totient is φ = 72446400.

The previous prime is 164406257. The next prime is 164406271. The reversal of 164406268 is 862604461.

It is a super-3 number, since 3×1644062683 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126703 + ... + 127993.

Almost surely, 2164406268 is an apocalyptic number.

It is an amenable number.

164406268 is a deficient number, since it is larger than the sum of its proper divisors (159730692).

164406268 is a wasteful number, since it uses less digits than its factorization.

164406268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 164406268 is about 12822.1007639154. The cubic root of 164406268 is about 547.8219847313.

The spelling of 164406268 in words is "one hundred sixty-four million, four hundred six thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 31 52 62 79 124 158 316 403 806 1027 1291 1612 2054 2449 2582 4108 4898 5164 9796 16783 31837 33566 40021 63674 67132 80042 101989 127348 160084 203978 407956 520273 1040546 1325857 2081092 2651714 3161659 5303428 6323318 12646636 41101567 82203134 164406268