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664207062 = 23821134837
BaseRepresentation
bin100111100101101…
…111111011010110
31201021211012210120
4213211233323112
52330014111222
6145524132410
722313444511
oct4745577326
91637735716
10664207062
11310a22662
12166537106
13a77b973c
14642dbd78
153d4a215c
hex2796fed6

664207062 has 16 divisors (see below), whose sum is σ = 1330042032. Its totient is φ = 221131040.

The previous prime is 664207043. The next prime is 664207067. The reversal of 664207062 is 260702466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664207067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62493 + ... + 72344.

It is an arithmetic number, because the mean of its divisors is an integer number (83127627).

Almost surely, 2664207062 is an apocalyptic number.

664207062 is an abundant number, since it is smaller than the sum of its proper divisors (665834970).

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

664207062 is a wasteful number, since it uses less digits than its factorization.

664207062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135663.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 664207062 is about 25772.2149222763. The cubic root of 664207062 is about 872.5048095125.

The spelling of 664207062 in words is "six hundred sixty-four million, two hundred seven thousand, sixty-two".

Divisors: 1 2 3 6 821 1642 2463 4926 134837 269674 404511 809022 110701177 221402354 332103531 664207062