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164170452 = 22313680871
BaseRepresentation
bin10011100100100…
…00101011010100
3102102220201112010
421302100223110
5314011423302
624142424220
74032266025
oct1162205324
9372821463
10164170452
1184740766
1246b92070
1328020aa4
1417b36c4c
15e62d16c
hex9c90ad4

164170452 has 12 divisors (see below), whose sum is σ = 383064416. Its totient is φ = 54723480.

The previous prime is 164170429. The next prime is 164170471. The reversal of 164170452 is 254071461.

164170452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 6840424 + ... + 6840447.

Almost surely, 2164170452 is an apocalyptic number.

164170452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164170452 is an abundant number, since it is smaller than the sum of its proper divisors (218893964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164170452 is a wasteful number, since it uses less digits than its factorization.

164170452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680878 (or 13680876 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 164170452 is about 12812.9017790663. The cubic root of 164170452 is about 547.5599367255.

The spelling of 164170452 in words is "one hundred sixty-four million, one hundred seventy thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 13680871 27361742 41042613 54723484 82085226 164170452