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1307321982 = 2324110117539
BaseRepresentation
bin100110111101100…
…0010011001111110
310101002221211121200
41031323002121332
510134133300412
6333420240330
744253024231
oct11573023176
93332854550
101307321982
11610a4939a
123059a00a6
1317aacc905
14c58a9418
1579b899dc
hex4dec267e

1307321982 has 48 divisors (see below), whose sum is σ = 2930513040. Its totient is φ = 420912000.

The previous prime is 1307321971. The next prime is 1307321989. The reversal of 1307321982 is 2891237031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307321989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65769 + ... + 83307.

It is an arithmetic number, because the mean of its divisors is an integer number (61052355).

Almost surely, 21307321982 is an apocalyptic number.

1307321982 is an abundant number, since it is smaller than the sum of its proper divisors (1623191058).

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

1307321982 is a wasteful number, since it uses less digits than its factorization.

1307321982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17689 (or 17686 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1307321982 is about 36156.9078047335. The cubic root of 1307321982 is about 1093.4380633077.

The spelling of 1307321982 in words is "one billion, three hundred seven million, three hundred twenty-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 41 82 101 123 202 246 303 369 606 738 909 1818 4141 8282 12423 17539 24846 35078 37269 52617 74538 105234 157851 315702 719099 1438198 1771439 2157297 3542878 4314594 5314317 6471891 10628634 12943782 15942951 31885902 72628999 145257998 217886997 435773994 653660991 1307321982