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434161868 = 227118713063
BaseRepresentation
bin11001111000001…
…100100011001100
31010020221201010012
4121320030203030
51342121134433
6111025332352
713521213020
oct3170144314
91106851105
10434161868
11203089268
121014970b8
136bc42a1a
1441938380
15281b0848
hex19e0c8cc

434161868 has 24 divisors (see below), whose sum is σ = 869121792. Its totient is φ = 185898384.

The previous prime is 434161867. The next prime is 434161873. The reversal of 434161868 is 868161434.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (434161867) by changing a digit.

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, 26705 + ... + 39767.

It is an arithmetic number, because the mean of its divisors is an integer number (36213408).

Almost surely, 2434161868 is an apocalyptic number.

It is an amenable number.

434161868 is an abundant number, since it is smaller than the sum of its proper divisors (434959924).

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

434161868 is a wasteful number, since it uses less digits than its factorization.

434161868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261 (or 14259 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 434161868 is about 20836.5512501469. The cubic root of 434161868 is about 757.2115429119.

The spelling of 434161868 in words is "four hundred thirty-four million, one hundred sixty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1187 2374 4748 8309 13063 16618 26126 33236 52252 91441 182882 365764 15505781 31011562 62023124 108540467 217080934 434161868