Search a number
-
+
771230634 = 23196765181
BaseRepresentation
bin101101111110000…
…000101110101010
31222202012120112120
4231332000232222
53034413340014
6204310052110
725053231546
oct5576005652
91882176476
10771230634
11366380a99
1219634a036
13c3a1c0b5
14745daa26
1547a92ba9
hex2df80baa

771230634 has 16 divisors (see below), whose sum is σ = 1623643680. Its totient is φ = 243546480.

The previous prime is 771230609. The next prime is 771230651. The reversal of 771230634 is 436032177.

It is a junction number, because it is equal to n+sod(n) for n = 771230595 and 771230604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382477 + ... + 3382704.

It is an arithmetic number, because the mean of its divisors is an integer number (101477730).

Almost surely, 2771230634 is an apocalyptic number.

771230634 is an abundant number, since it is smaller than the sum of its proper divisors (852413046).

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

771230634 is a wasteful number, since it uses less digits than its factorization.

771230634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765205.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 771230634 is about 27771.0394836059. The cubic root of 771230634 is about 917.0536785367.

The spelling of 771230634 in words is "seven hundred seventy-one million, two hundred thirty thousand, six hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 6765181 13530362 20295543 40591086 128538439 257076878 385615317 771230634