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677830540 = 22533891527
BaseRepresentation
bin101000011001101…
…101111110001100
31202020110100200211
4220121231332030
52342011034130
6151132132204
722540315222
oct5031557614
91666410624
10677830540
11318688132
1216b007064
13aa57967a
1466046b12
153e793a2a
hex2866df8c

677830540 has 12 divisors (see below), whose sum is σ = 1423444176. Its totient is φ = 271132208.

The previous prime is 677830523. The next prime is 677830583. The reversal of 677830540 is 45038776.

It is a junction number, because it is equal to n+sod(n) for n = 677830493 and 677830502.

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, 16945744 + ... + 16945783.

It is an arithmetic number, because the mean of its divisors is an integer number (118620348).

Almost surely, 2677830540 is an apocalyptic number.

It is an amenable number.

677830540 is an abundant number, since it is smaller than the sum of its proper divisors (745613636).

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

677830540 is a wasteful number, since it uses less digits than its factorization.

677830540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33891536 (or 33891534 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 677830540 is about 26035.1788931822. The cubic root of 677830540 is about 878.4297669609.

The spelling of 677830540 in words is "six hundred seventy-seven million, eight hundred thirty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 33891527 67783054 135566108 169457635 338915270 677830540