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65008060 = 22513250031
BaseRepresentation
bin1111011111111…
…1000110111100
311112022202021221
43313333012330
5113120224220
610241203124
71416362605
oct367770674
9145282257
1065008060
1133771577
12199304a4
1310611610
1488c2dac
155a919aa
hex3dff1bc

65008060 has 24 divisors (see below), whose sum is σ = 147018816. Its totient is φ = 24002880.

The previous prime is 65008043. The next prime is 65008081. The reversal of 65008060 is 6080056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124756 + ... + 125275.

It is an arithmetic number, because the mean of its divisors is an integer number (6125784).

Almost surely, 265008060 is an apocalyptic number.

It is an amenable number.

65008060 is an abundant number, since it is smaller than the sum of its proper divisors (82010756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65008060 is a wasteful number, since it uses less digits than its factorization.

65008060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250053 (or 250051 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 65008060 is about 8062.7575927842. The cubic root of 65008060 is about 402.0891941718.

The spelling of 65008060 in words is "sixty-five million, eight thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 250031 500062 1000124 1250155 2500310 3250403 5000620 6500806 13001612 16252015 32504030 65008060