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164737434 = 2387731307
BaseRepresentation
bin10011101000110…
…11000110011010
3102110222112021110
421310123012122
5314133044214
624202521150
74040150031
oct1164330632
9373875243
10164737434
1184a98744
12472061b6
132818bb94
1417c43718
15e6e1159
hex9d1b19a

164737434 has 16 divisors (see below), whose sum is σ = 329861088. Its totient is φ = 54848112.

The previous prime is 164737411. The next prime is 164737439. The reversal of 164737434 is 434737461.

164737434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164737392 and 164737401.

It is not an unprimeable number, because it can be changed into a prime (164737439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (20616318).

Almost surely, 2164737434 is an apocalyptic number.

164737434 is an abundant number, since it is smaller than the sum of its proper divisors (165123654).

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

164737434 is a wasteful number, since it uses less digits than its factorization.

164737434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32189.

The product of its digits is 169344, while the sum is 39.

The square root of 164737434 is about 12835.0081417972. The cubic root of 164737434 is about 548.1895667004.

The spelling of 164737434 in words is "one hundred sixty-four million, seven hundred thirty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 877 1754 2631 5262 31307 62614 93921 187842 27456239 54912478 82368717 164737434