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677419990 = 251329179687
BaseRepresentation
bin101000011000001…
…001101111010110
31202012200111112021
4220120021233112
52341404414430
6151115243354
722533655252
oct5030115726
91665614467
10677419990
11318427735
1216aa4955a
13aa464840
1465d7b262
153e71207a
hex28609bd6

677419990 has 32 divisors (see below), whose sum is σ = 1358441280. Its totient is φ = 241497984.

The previous prime is 677419949. The next prime is 677420011. The reversal of 677419990 is 99914776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86074 + ... + 93613.

It is an arithmetic number, because the mean of its divisors is an integer number (42451290).

Almost surely, 2677419990 is an apocalyptic number.

677419990 is an abundant number, since it is smaller than the sum of its proper divisors (681021290).

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

677419990 is a wasteful number, since it uses less digits than its factorization.

677419990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179736.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 677419990 is about 26027.2931746657. The cubic root of 677419990 is about 878.2523813387.

The spelling of 677419990 in words is "six hundred seventy-seven million, four hundred nineteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 754 1885 3770 179687 359374 898435 1796870 2335931 4671862 5210923 10421846 11679655 23359310 26054615 52109230 67741999 135483998 338709995 677419990