Search a number
-
+
164770142 = 2791042849
BaseRepresentation
bin10011101001000…
…11000101011110
3102111001012010212
421310203011132
5314140121032
624203332422
74040344265
oct1164430536
9374035125
10164770142
1185010279
1247221112
13281a0a34
1417c515dc
15e6eabb2
hex9d2315e

164770142 has 8 divisors (see below), whose sum is σ = 250284000. Its totient is φ = 81342144.

The previous prime is 164770129. The next prime is 164770157. The reversal of 164770142 is 241077461.

164770142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 164770099 and 164770108.

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, 521267 + ... + 521582.

It is an arithmetic number, because the mean of its divisors is an integer number (31285500).

Almost surely, 2164770142 is an apocalyptic number.

164770142 is a deficient number, since it is larger than the sum of its proper divisors (85513858).

164770142 is a wasteful number, since it uses less digits than its factorization.

164770142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042930.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 164770142 is about 12836.2822499351. The cubic root of 164770142 is about 548.2258446274.

The spelling of 164770142 in words is "one hundred sixty-four million, seven hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 79 158 1042849 2085698 82385071 164770142