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68280482 = 2199171559
BaseRepresentation
bin1000001000111…
…10000010100010
311202111000012202
410010132002202
5114434433412
610435253202
71456242314
oct404360242
9152430182
1068280482
11355a7156
121aa4a202
13111b8c6a
1490d57b4
155edb3c2
hex411e0a2

68280482 has 8 divisors (see below), whose sum is σ = 102936000. Its totient is φ = 33968484.

The previous prime is 68280481. The next prime is 68280493. The reversal of 68280482 is 28408286.

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

It is not an unprimeable number, because it can be changed into a prime (68280481) 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, 85382 + ... + 86177.

It is an arithmetic number, because the mean of its divisors is an integer number (12867000).

Almost surely, 268280482 is an apocalyptic number.

68280482 is a deficient number, since it is larger than the sum of its proper divisors (34655518).

68280482 is a wasteful number, since it uses less digits than its factorization.

68280482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171760.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 68280482 is about 8263.2004695517. The cubic root of 68280482 is about 408.7259319280.

The spelling of 68280482 in words is "sixty-eight million, two hundred eighty thousand, four hundred eighty-two".

Divisors: 1 2 199 398 171559 343118 34140241 68280482