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434138630 = 25223194681
BaseRepresentation
bin11001111000000…
…110111000000110
31010020220112020112
4121320012320012
51342114414010
6111025033022
713521055202
oct3170067006
91106815215
10434138630
11203072862
12101485772
136bc35283
144192db02
15281a8a05
hex19e06e06

434138630 has 16 divisors (see below), whose sum is σ = 784957824. Its totient is φ = 172875840.

The previous prime is 434138629. The next prime is 434138651. The reversal of 434138630 is 36831434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95111 + ... + 99570.

It is an arithmetic number, because the mean of its divisors is an integer number (49059864).

Almost surely, 2434138630 is an apocalyptic number.

434138630 is a deficient number, since it is larger than the sum of its proper divisors (350819194).

434138630 is a wasteful number, since it uses less digits than its factorization.

434138630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194911.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 434138630 is about 20835.9936168161. The cubic root of 434138630 is about 757.1980330537.

The spelling of 434138630 in words is "four hundred thirty-four million, one hundred thirty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 223 446 1115 2230 194681 389362 973405 1946810 43413863 86827726 217069315 434138630