Search a number
-
+
770384028 = 22364198669
BaseRepresentation
bin101101111010110…
…010000010011100
31222200121120012210
4231322302002130
53034204242103
6204240000420
725043104401
oct5572620234
91880546183
10770384028
11365952a17
12196000110
13c37b394b
147445a2a8
1547976e03
hex2deb209c

770384028 has 12 divisors (see below), whose sum is σ = 1797562760. Its totient is φ = 256794672.

The previous prime is 770383969. The next prime is 770384029. The reversal of 770384028 is 820483077.

770384028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770384029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32099323 + ... + 32099346.

Almost surely, 2770384028 is an apocalyptic number.

It is an amenable number.

770384028 is an abundant number, since it is smaller than the sum of its proper divisors (1027178732).

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

770384028 is a wasteful number, since it uses less digits than its factorization.

770384028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64198676 (or 64198674 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 770384028 is about 27755.7926926975. The cubic root of 770384028 is about 916.7179953774.

The spelling of 770384028 in words is "seven hundred seventy million, three hundred eighty-four thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 64198669 128397338 192596007 256794676 385192014 770384028