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34012785 = 354352733
BaseRepresentation
bin1000000110111…
…1111001110001
32101000000202210
42001233321301
532201402120
63213002333
7562050432
oct201577161
971000683
1034012785
1118221344
12b4833a9
13707b611
144735489
152ebcce0
hex206fe71

34012785 has 16 divisors (see below), whose sum is σ = 55687104. Its totient is φ = 17717952.

The previous prime is 34012777. The next prime is 34012789. The reversal of 34012785 is 58721043.

It is not a de Polignac number, because 34012785 - 23 = 34012777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34012789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25722 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (3480444).

Almost surely, 234012785 is an apocalyptic number.

It is an amenable number.

34012785 is a deficient number, since it is larger than the sum of its proper divisors (21674319).

34012785 is a wasteful number, since it uses less digits than its factorization.

34012785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52784.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 34012785 is about 5832.0480965095. The cubic root of 34012785 is about 324.0017813498.

The spelling of 34012785 in words is "thirty-four million, twelve thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 43 129 215 645 52733 158199 263665 790995 2267519 6802557 11337595 34012785