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660244234 = 21325394009
BaseRepresentation
bin100111010110101…
…000011100001010
31201000100212211011
4213112220130022
52323010303414
6145303154134
722234661206
oct4726503412
91630325734
10660244234
113097662a1
1216514594a
13a6a2ca80
1463989b06
153ce6cdc4
hex275a870a

660244234 has 8 divisors (see below), whose sum is σ = 1066548420. Its totient is φ = 304728096.

The previous prime is 660244229. The next prime is 660244241. The reversal of 660244234 is 432442066.

It can be written as a sum of positive squares in 2 ways, for example, as 655513609 + 4730625 = 25603^2 + 2175^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 660244196 and 660244205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12696979 + ... + 12697030.

Almost surely, 2660244234 is an apocalyptic number.

660244234 is a deficient number, since it is larger than the sum of its proper divisors (406304186).

660244234 is a wasteful number, since it uses less digits than its factorization.

660244234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25394024.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 660244234 is about 25695.2181154393. The cubic root of 660244234 is about 870.7661520716.

The spelling of 660244234 in words is "six hundred sixty million, two hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 13 26 25394009 50788018 330122117 660244234