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34105407 = 3743179211
BaseRepresentation
bin1000001000011…
…0100000111111
32101011201211020
42002012200333
532212333112
63214555223
7562614450
oct202064077
971151736
1034105407
1118284996
12b508b13
1370b181b
14475b127
152eda48c
hex208683f

34105407 has 32 divisors (see below), whose sum is σ = 53729280. Its totient is φ = 18839520.

The previous prime is 34105403. The next prime is 34105427. The reversal of 34105407 is 70450143.

It is not a de Polignac number, because 34105407 - 22 = 34105403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34105403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161532 + ... + 161742.

It is an arithmetic number, because the mean of its divisors is an integer number (1679040).

Almost surely, 234105407 is an apocalyptic number.

34105407 is a deficient number, since it is larger than the sum of its proper divisors (19623873).

34105407 is a wasteful number, since it uses less digits than its factorization.

34105407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 34105407 is about 5839.9834760040. The cubic root of 34105407 is about 324.2956168767.

The spelling of 34105407 in words is "thirty-four million, one hundred five thousand, four hundred seven".

Divisors: 1 3 7 21 43 129 179 211 301 537 633 903 1253 1477 3759 4431 7697 9073 23091 27219 37769 53879 63511 113307 161637 190533 264383 793149 1624067 4872201 11368469 34105407