Search a number
-
+
774033380 = 22538701669
BaseRepresentation
bin101110001000101…
…100111111100100
31222221110222011222
4232020230333210
53041123032010
6204450115512
725116114041
oct5610547744
91887428158
10774033380
11367a1580a
1219727bb98
13c4490a23
1474b2a1c8
1547e48355
hex2e22cfe4

774033380 has 12 divisors (see below), whose sum is σ = 1625470140. Its totient is φ = 309613344.

The previous prime is 774033319. The next prime is 774033391. The reversal of 774033380 is 83330477.

It can be written as a sum of positive squares in 2 ways, for example, as 84235684 + 689797696 = 9178^2 + 26264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 774033380.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19350815 + ... + 19350854.

It is an arithmetic number, because the mean of its divisors is an integer number (135455845).

Almost surely, 2774033380 is an apocalyptic number.

It is an amenable number.

774033380 is an abundant number, since it is smaller than the sum of its proper divisors (851436760).

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

774033380 is a wasteful number, since it uses less digits than its factorization.

774033380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38701678 (or 38701676 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 774033380 is about 27821.4553896808. The cubic root of 774033380 is about 918.1632304359.

The spelling of 774033380 in words is "seven hundred seventy-four million, thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 38701669 77403338 154806676 193508345 387016690 774033380