Search a number
-
+
770000770 = 257111019901
BaseRepresentation
bin101101111001010…
…100011110000010
31222122220002111001
4231321110132002
53034110011040
6204223442214
725036620130
oct5571243602
91878802431
10770000770
11365710a80
12195a5636a
13c36ab376
147439a750
15478ed59a
hex2de54782

770000770 has 64 divisors (see below), whose sum is σ = 1745286912. Its totient is φ = 237600000.

The previous prime is 770000741. The next prime is 770000789. The reversal of 770000770 is 77000077.

770000770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72820 + ... + 82720.

It is an arithmetic number, because the mean of its divisors is an integer number (27270108).

Almost surely, 2770000770 is an apocalyptic number.

770000770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

770000770 is an abundant number, since it is smaller than the sum of its proper divisors (975286142).

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

770000770 is a wasteful number, since it uses less digits than its factorization.

770000770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027.

The product of its (nonzero) digits is 2401, while the sum is 28.

The square root of 770000770 is about 27748.8877254567. The cubic root of 770000770 is about 916.5659509548.

It can be divided in two parts, 7700007 and 70, that added together give a palindrome (7700077).

The spelling of 770000770 in words is "seven hundred seventy million, seven hundred seventy", and thus it is an aban number.

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 101 110 154 202 385 505 707 770 1010 1111 1414 2222 3535 5555 7070 7777 9901 11110 15554 19802 38885 49505 69307 77770 99010 108911 138614 217822 346535 544555 693070 762377 1000001 1089110 1524754 2000002 3811885 5000005 7000007 7623770 10000010 11000011 14000014 22000022 35000035 55000055 70000070 77000077 110000110 154000154 385000385 770000770