Search a number
-
+
64084407 = 3173733961
BaseRepresentation
bin1111010001110…
…1100110110111
311110120211021120
43310131212313
5112401200112
610205315023
71405465002
oct364354667
9143524246
1064084407
11331a0622
1219565a73
131037a08a
148722539
15595ce8c
hex3d1d9b7

64084407 has 16 divisors (see below), whose sum is σ = 92920032. Its totient is φ = 39121920.

The previous prime is 64084393. The next prime is 64084429. The reversal of 64084407 is 70448046.

It is a de Polignac number, because none of the positive numbers 2k-64084407 is a prime.

It is a super-2 number, since 2×640844072 = 8213622441083298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64084457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15094 + ... + 18867.

It is an arithmetic number, because the mean of its divisors is an integer number (5807502).

Almost surely, 264084407 is an apocalyptic number.

64084407 is a deficient number, since it is larger than the sum of its proper divisors (28835625).

64084407 is a wasteful number, since it uses less digits than its factorization.

64084407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 64084407 is about 8005.2736992560. The cubic root of 64084407 is about 400.1757706670.

The spelling of 64084407 in words is "sixty-four million, eighty-four thousand, four hundred seven".

Divisors: 1 3 17 37 51 111 629 1887 33961 101883 577337 1256557 1732011 3769671 21361469 64084407