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434681845 = 51331215723
BaseRepresentation
bin11001111010001…
…011011111110101
31010021221010101121
4121322023133311
51342234304340
6111044423541
713525510003
oct3172133765
91107833347
10434681845
112034039a4
121016a7bb1
136c0955c0
1441a31a73
152826494a
hex19e8b7f5

434681845 has 16 divisors (see below), whose sum is σ = 579866112. Its totient is φ = 310639680.

The previous prime is 434681843. The next prime is 434681893. The reversal of 434681845 is 548186434.

It is not a de Polignac number, because 434681845 - 21 = 434681843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434681843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105847 + ... + 109876.

It is an arithmetic number, because the mean of its divisors is an integer number (36241632).

Almost surely, 2434681845 is an apocalyptic number.

It is an amenable number.

434681845 is a deficient number, since it is larger than the sum of its proper divisors (145184267).

434681845 is a wasteful number, since it uses less digits than its factorization.

434681845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215772.

The product of its digits is 368640, while the sum is 43.

The square root of 434681845 is about 20849.0250371570. The cubic root of 434681845 is about 757.5137155457.

The spelling of 434681845 in words is "four hundred thirty-four million, six hundred eighty-one thousand, eight hundred forty-five".

Divisors: 1 5 13 31 65 155 403 2015 215723 1078615 2804399 6687413 14021995 33437065 86936369 434681845