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68802601 = 779831499
BaseRepresentation
bin1000001100111…
…01100000101001
311210110112102111
410012131200221
5120103140401
610454402321
71463545450
oct406354051
9153415374
1068802601
113592345a
121b0603a1
131133c7ca
1491cdb97
156090e51
hex419d829

68802601 has 16 divisors (see below), whose sum is σ = 80640000. Its totient is φ = 57487248.

The previous prime is 68802599. The next prime is 68802611. The reversal of 68802601 is 10620886.

It is not a de Polignac number, because 68802601 - 21 = 68802599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68802611) 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 15 ways as a sum of consecutive naturals, for example, 45150 + ... + 46648.

It is an arithmetic number, because the mean of its divisors is an integer number (5040000).

Almost surely, 268802601 is an apocalyptic number.

It is an amenable number.

68802601 is a deficient number, since it is larger than the sum of its proper divisors (11837399).

68802601 is a wasteful number, since it uses less digits than its factorization.

68802601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 68802601 is about 8294.7333290468. The cubic root of 68802601 is about 409.7650865283.

The spelling of 68802601 in words is "sixty-eight million, eight hundred two thousand, six hundred one".

Divisors: 1 7 79 83 553 581 1499 6557 10493 45899 118421 124417 828947 870919 9828943 68802601