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34138075 = 522947087
BaseRepresentation
bin1000001000111…
…0011111011011
32101020101122011
42002032133123
532214404300
63215410351
7563111626
oct202163733
971211564
1034138075
11182a7494
12b5239b7
1370c365a
144768dbd
152ee4eba
hex208e7db

34138075 has 12 divisors (see below), whose sum is σ = 43791840. Its totient is φ = 26368160.

The previous prime is 34138073. The next prime is 34138109. The reversal of 34138075 is 57083143.

It is not a de Polignac number, because 34138075 - 21 = 34138073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34138073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22819 + ... + 24268.

It is an arithmetic number, because the mean of its divisors is an integer number (3649320).

Almost surely, 234138075 is an apocalyptic number.

34138075 is a deficient number, since it is larger than the sum of its proper divisors (9653765).

34138075 is a wasteful number, since it uses less digits than its factorization.

34138075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47126 (or 47121 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 34138075 is about 5842.7797322850. The cubic root of 34138075 is about 324.3991264510.

It can be divided in two parts, 341 and 38075, that added together give a 4-th power (38416 = 144).

The spelling of 34138075 in words is "thirty-four million, one hundred thirty-eight thousand, seventy-five".

Divisors: 1 5 25 29 145 725 47087 235435 1177175 1365523 6827615 34138075