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434342478 = 23159745329
BaseRepresentation
bin11001111000111…
…000101001001110
31010021021212212110
4121320320221032
51342142424403
6111033244450
713522564413
oct3170705116
91107255773
10434342478
112031a1a29
12101563726
136bca6cab
144198410a
15281e9103
hex19e38a4e

434342478 has 16 divisors (see below), whose sum is σ = 869248080. Its totient is φ = 144686976.

The previous prime is 434342459. The next prime is 434342501. The reversal of 434342478 is 874243434.

It is a super-3 number, since 3×4343424783 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13083 + ... + 32246.

It is an arithmetic number, because the mean of its divisors is an integer number (54328005).

Almost surely, 2434342478 is an apocalyptic number.

434342478 is an abundant number, since it is smaller than the sum of its proper divisors (434905602).

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

434342478 is a wasteful number, since it uses less digits than its factorization.

434342478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46931.

The product of its digits is 258048, while the sum is 39.

The square root of 434342478 is about 20840.8847700859. The cubic root of 434342478 is about 757.3165275788.

The spelling of 434342478 in words is "four hundred thirty-four million, three hundred forty-two thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 1597 3194 4791 9582 45329 90658 135987 271974 72390413 144780826 217171239 434342478