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34385045 = 531972287
BaseRepresentation
bin1000001100101…
…0110010010101
32101200221102012
42003022302111
532300310140
63224554005
7565160642
oct203126225
971627365
1034385045
1118455aa2
12b622905
13717bba6
1447d0dc9
153043265
hex20cac95

34385045 has 16 divisors (see below), whose sum is σ = 43051008. Its totient is φ = 26334720.

The previous prime is 34385027. The next prime is 34385051. The reversal of 34385045 is 54058343.

It is not a de Polignac number, because 34385045 - 28 = 34384789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13892 + ... + 16178.

It is an arithmetic number, because the mean of its divisors is an integer number (2690688).

Almost surely, 234385045 is an apocalyptic number.

It is an amenable number.

34385045 is a deficient number, since it is larger than the sum of its proper divisors (8665963).

34385045 is a wasteful number, since it uses less digits than its factorization.

34385045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 34385045 is about 5863.8762776853. The cubic root of 34385045 is about 325.1795300007.

The spelling of 34385045 in words is "thirty-four million, three hundred eighty-five thousand, forty-five".

Divisors: 1 5 31 97 155 485 2287 3007 11435 15035 70897 221839 354485 1109195 6877009 34385045