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677989430 = 2567798943
BaseRepresentation
bin101000011010010…
…100110000110110
31202020202102122122
4220122110300312
52342031130210
6151135355542
722541546366
oct5032246066
91666672578
10677989430
11318786548
1216b082bb2
13aa603aa1
14660889a6
153e7c5b55
hex28694c36

677989430 has 8 divisors (see below), whose sum is σ = 1220380992. Its totient is φ = 271195768.

The previous prime is 677989397. The next prime is 677989457. The reversal of 677989430 is 34989776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33899462 + ... + 33899481.

It is an arithmetic number, because the mean of its divisors is an integer number (152547624).

Almost surely, 2677989430 is an apocalyptic number.

677989430 is a deficient number, since it is larger than the sum of its proper divisors (542391562).

677989430 is a wasteful number, since it uses less digits than its factorization.

677989430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67798950.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 677989430 is about 26038.2301625898. The cubic root of 677989430 is about 878.4983990615.

The spelling of 677989430 in words is "six hundred seventy-seven million, nine hundred eighty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 67798943 135597886 338994715 677989430