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680233624 = 23741296269
BaseRepresentation
bin101000100010111…
…000101010011000
31202101222110002221
4220202320222120
52343114433444
6151255433424
722566614260
oct5042705230
91671873087
10680233624
11319a79654
1216b985874
13aac0b405
14664b07a0
153eabaa84
hex288b8a98

680233624 has 32 divisors (see below), whose sum is σ = 1493200800. Its totient is φ = 284417280.

The previous prime is 680233607. The next prime is 680233643. The reversal of 680233624 is 426332086.

It is a self number, because there is not a number n which added to its sum of digits gives 680233624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145839 + ... + 150430.

It is an arithmetic number, because the mean of its divisors is an integer number (46662525).

Almost surely, 2680233624 is an apocalyptic number.

It is an amenable number.

680233624 is an abundant number, since it is smaller than the sum of its proper divisors (812967176).

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

680233624 is a wasteful number, since it uses less digits than its factorization.

680233624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296323 (or 296319 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 680233624 is about 26081.2887718379. The cubic root of 680233624 is about 879.4666292670.

The spelling of 680233624 in words is "six hundred eighty million, two hundred thirty-three thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 296269 592538 1185076 2073883 2370152 4147766 8295532 12147029 16591064 24294058 48588116 85029203 97176232 170058406 340116812 680233624