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415379609 = 2318059983
BaseRepresentation
bin11000110000100…
…011000010011001
31001221121110200222
4120300203002121
51322314121414
6105115005425
713202445161
oct3060430231
91057543628
10415379609
111a351a937
12b7139875
1368097968
143d2495a1
152670068e
hex18c23099

415379609 has 4 divisors (see below), whose sum is σ = 433439616. Its totient is φ = 397319604.

The previous prime is 415379597. The next prime is 415379611. The reversal of 415379609 is 906973514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-415379609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 415379609.

It is not an unprimeable number, because it can be changed into a prime (415379669) 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 3 ways as a sum of consecutive naturals, for example, 9029969 + ... + 9030014.

It is an arithmetic number, because the mean of its divisors is an integer number (108359904).

Almost surely, 2415379609 is an apocalyptic number.

It is an amenable number.

415379609 is a deficient number, since it is larger than the sum of its proper divisors (18060007).

415379609 is a wasteful number, since it uses less digits than its factorization.

415379609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060006.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 415379609 is about 20380.8637942556. The cubic root of 415379609 is about 746.1309543770.

The spelling of 415379609 in words is "four hundred fifteen million, three hundred seventy-nine thousand, six hundred nine".

Divisors: 1 23 18059983 415379609