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680077624 = 2385009703
BaseRepresentation
bin101000100010010…
…010100100111000
31202101200112010011
4220202102210320
52343044440444
6151252231304
722565364412
oct5042224470
91671615104
10680077624
11319982426
1216b90b534
13aab853c5
146646d9b2
153ea89734
hex28892938

680077624 has 8 divisors (see below), whose sum is σ = 1275145560. Its totient is φ = 340038808.

The previous prime is 680077603. The next prime is 680077627. The reversal of 680077624 is 426770086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680077627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42504844 + ... + 42504859.

It is an arithmetic number, because the mean of its divisors is an integer number (159393195).

Almost surely, 2680077624 is an apocalyptic number.

It is an amenable number.

680077624 is a deficient number, since it is larger than the sum of its proper divisors (595067936).

680077624 is a wasteful number, since it uses less digits than its factorization.

680077624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85009709 (or 85009705 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 680077624 is about 26078.2979505949. The cubic root of 680077624 is about 879.3993938944.

The spelling of 680077624 in words is "six hundred eighty million, seventy-seven thousand, six hundred twenty-four".

Divisors: 1 2 4 8 85009703 170019406 340038812 680077624