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680047476 = 223199284777
BaseRepresentation
bin101000100010001…
…011001101110100
31202101121222202120
4220202023031310
52343043004401
6151251435540
722565210463
oct5042131564
91671558676
10680047476
11319961809
1216b8b5bb0
13aab74774
14664629da
153ea80836
hex2888b374

680047476 has 24 divisors (see below), whose sum is σ = 1594756800. Its totient is φ = 225542592.

The previous prime is 680047453. The next prime is 680047483. The reversal of 680047476 is 674740086.

It is a super-2 number, since 2×6800474762 = 924929139227941152, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 140001 + ... + 144776.

It is an arithmetic number, because the mean of its divisors is an integer number (66448200).

Almost surely, 2680047476 is an apocalyptic number.

It is an amenable number.

680047476 is an abundant number, since it is smaller than the sum of its proper divisors (914709324).

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

680047476 is a wasteful number, since it uses less digits than its factorization.

680047476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284983 (or 284981 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 680047476 is about 26077.7199156675. The cubic root of 680047476 is about 879.3863990422.

The spelling of 680047476 in words is "six hundred eighty million, forty-seven thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 284777 569554 854331 1139108 1708662 3417324 56670623 113341246 170011869 226682492 340023738 680047476