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680049262 = 23299103069
BaseRepresentation
bin101000100010001…
…011101001101110
31202101122002012201
4220202023221232
52343043034022
6151251452114
722565215624
oct5042135156
91671562181
10680049262
11319963092
1216b8b703a
13aab75519
1466463514
153ea81127
hex2888ba6e

680049262 has 8 divisors (see below), whose sum is σ = 1020393000. Its totient is φ = 339918264.

The previous prime is 680049259. The next prime is 680049269. The reversal of 680049262 is 262940086.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680049269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44937 + ... + 58132.

It is an arithmetic number, because the mean of its divisors is an integer number (127549125).

Almost surely, 2680049262 is an apocalyptic number.

680049262 is a deficient number, since it is larger than the sum of its proper divisors (340343738).

680049262 is a wasteful number, since it uses less digits than its factorization.

680049262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106370.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 680049262 is about 26077.7541594364. The cubic root of 680049262 is about 879.3871688819.

The spelling of 680049262 in words is "six hundred eighty million, forty-nine thousand, two hundred sixty-two".

Divisors: 1 2 3299 6598 103069 206138 340024631 680049262