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68230802 = 239785933
BaseRepresentation
bin1000001000100…
…01111010010010
311202101111001202
410010101322102
5114431341202
610434231202
71455644423
oct404217222
9152344052
1068230802
11355728a2
121aa25502
131119c473
1490c164a
155ecb802
hex4111e92

68230802 has 8 divisors (see below), whose sum is σ = 102605196. Its totient is φ = 34029072.

The previous prime is 68230801. The next prime is 68230817. The reversal of 68230802 is 20803286.

It can be written as a sum of positive squares in 2 ways, for example, as 66569281 + 1661521 = 8159^2 + 1289^2 .

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 (68230801) 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, 42173 + ... + 43760.

Almost surely, 268230802 is an apocalyptic number.

68230802 is a deficient number, since it is larger than the sum of its proper divisors (34374394).

68230802 is a wasteful number, since it uses less digits than its factorization.

68230802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86332.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 68230802 is about 8260.1938233918. The cubic root of 68230802 is about 408.6267799675.

The spelling of 68230802 in words is "sixty-eight million, two hundred thirty thousand, eight hundred two".

Divisors: 1 2 397 794 85933 171866 34115401 68230802