Search a number
-
+
770420652 = 223280122921
BaseRepresentation
bin101101111010111…
…010111110101100
31222200200102110020
4231322322332230
53034211430102
6204240442140
725043316231
oct5572727654
91880612406
10770420652
11365978491
12196019350
13c37c7511
1474469788
1547982bbc
hex2debafac

770420652 has 24 divisors (see below), whose sum is σ = 1798368432. Its totient is φ = 256704000.

The previous prime is 770420647. The next prime is 770420659. The reversal of 770420652 is 256024077.

It is not an unprimeable number, because it can be changed into a prime (770420659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22152 + ... + 45072.

It is an arithmetic number, because the mean of its divisors is an integer number (74932018).

Almost surely, 2770420652 is an apocalyptic number.

It is an amenable number.

770420652 is an abundant number, since it is smaller than the sum of its proper divisors (1027947780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770420652 is a wasteful number, since it uses less digits than its factorization.

770420652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25729 (or 25727 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 770420652 is about 27756.4524390276. The cubic root of 770420652 is about 916.7325220492.

The spelling of 770420652 in words is "seven hundred seventy million, four hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 2801 5602 8403 11204 16806 22921 33612 45842 68763 91684 137526 275052 64201721 128403442 192605163 256806884 385210326 770420652