Search a number
-
+
764106245 = 57463649
BaseRepresentation
bin101101100010110…
…101011000000101
31222020210121201022
4231202311120011
53031102344440
6203453240525
724635540000
oct5542653005
91866717638
10764106245
11362355371
12193a93145
13c23c6396
14736a4537
1547136cb5
hex2d8b5605

764106245 has 20 divisors (see below), whose sum is σ = 1069701900. Its totient is φ = 523950336.

The previous prime is 764106229. The next prime is 764106251. The reversal of 764106245 is 542601467.

It can be written as a sum of positive squares in 2 ways, for example, as 213218404 + 550887841 = 14602^2 + 23471^2 .

It is not a de Polignac number, because 764106245 - 24 = 764106229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19820 + ... + 43829.

It is an arithmetic number, because the mean of its divisors is an integer number (53485095).

Almost surely, 2764106245 is an apocalyptic number.

It is an amenable number.

764106245 is a deficient number, since it is larger than the sum of its proper divisors (305595655).

764106245 is an frugal number, since it uses more digits than its factorization.

764106245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63682 (or 63661 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 764106245 is about 27642.4717599566. The cubic root of 764106245 is about 914.2211194541.

The spelling of 764106245 in words is "seven hundred sixty-four million, one hundred six thousand, two hundred forty-five".

Divisors: 1 5 7 35 49 245 343 1715 2401 12005 63649 318245 445543 2227715 3118801 15594005 21831607 109158035 152821249 764106245