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164858428 = 2275887801
BaseRepresentation
bin10011101001110…
…00101000111100
3102111012200020201
421310320220330
5314200432203
624205253244
74041162550
oct1164705074
9374180221
10164858428
1185070639
1247264224
1328201c87
1417c75860
15e716e1d
hex9d38a3c

164858428 has 12 divisors (see below), whose sum is σ = 329716912. Its totient is φ = 70653600.

The previous prime is 164858377. The next prime is 164858429. The reversal of 164858428 is 824858461.

164858428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

164858428 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164858429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943873 + ... + 2943928.

Almost surely, 2164858428 is an apocalyptic number.

It is an amenable number.

164858428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164858428 is a wasteful number, since it uses less digits than its factorization.

164858428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887812 (or 5887810 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 164858428 is about 12839.7207134735. The cubic root of 164858428 is about 548.3237426736.

The spelling of 164858428 in words is "one hundred sixty-four million, eight hundred fifty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 5887801 11775602 23551204 41214607 82429214 164858428