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680563342 = 21512253521
BaseRepresentation
bin101000100100001…
…001001010001110
31202102121012101201
4220210021022032
52343211011332
6151310500114
722602456454
oct5044111216
91672535351
10680563342
1131a184348
1216bb0463a
13aacc5504
14665589d4
153eb335e7
hex2890928e

680563342 has 8 divisors (see below), whose sum is σ = 1027606032. Its totient is φ = 338028000.

The previous prime is 680563327. The next prime is 680563343. The reversal of 680563342 is 243365086.

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 (680563343) 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 in 3 ways as a sum of consecutive naturals, for example, 1126459 + ... + 1127062.

It is an arithmetic number, because the mean of its divisors is an integer number (128450754).

Almost surely, 2680563342 is an apocalyptic number.

680563342 is a deficient number, since it is larger than the sum of its proper divisors (347042690).

680563342 is a wasteful number, since it uses less digits than its factorization.

680563342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253674.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 680563342 is about 26087.6089743771. The cubic root of 680563342 is about 879.6087025826.

The spelling of 680563342 in words is "six hundred eighty million, five hundred sixty-three thousand, three hundred forty-two".

Divisors: 1 2 151 302 2253521 4507042 340281671 680563342