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764318054 = 21920113633
BaseRepresentation
bin101101100011101…
…001000101100110
31222021012101021002
4231203221011212
53031131134204
6203501553302
724640411343
oct5543510546
91867171232
10764318054
1136248a515
12193b75832
13c246b906
147371b7ca
154717991e
hex2d8e9166

764318054 has 8 divisors (see below), whose sum is σ = 1206818040. Its totient is φ = 362045376.

The previous prime is 764318041. The next prime is 764318063. The reversal of 764318054 is 450813467.

764318054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 20113633 = 764318054 / (7 + 6 + 4 + 3 + 1 + 8 + 0 + 5 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 764317999 and 764318017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10056779 + ... + 10056854.

It is an arithmetic number, because the mean of its divisors is an integer number (150852255).

Almost surely, 2764318054 is an apocalyptic number.

764318054 is a deficient number, since it is larger than the sum of its proper divisors (442499986).

764318054 is a wasteful number, since it uses less digits than its factorization.

764318054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20113654.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 764318054 is about 27646.3027184468. The cubic root of 764318054 is about 914.3055851824.

The spelling of 764318054 in words is "seven hundred sixty-four million, three hundred eighteen thousand, fifty-four".

Divisors: 1 2 19 38 20113633 40227266 382159027 764318054