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1683392979 = 31134965761
BaseRepresentation
bin110010001010110…
…1000100111010011
311100022121020001010
41210111220213103
511421422033404
6435012542003
756500414152
oct14425504723
94308536033
101683392979
11794260074
123ab921903
1320a9b3628
1411d801599
159cbc3189
hex645689d3

1683392979 has 8 divisors (see below), whose sum is σ = 2264387472. Its totient is φ = 1112330240.

The previous prime is 1683392927. The next prime is 1683392981. The reversal of 1683392979 is 9792933861.

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

It is a cyclic number.

It is not a de Polignac number, because 1683392979 - 211 = 1683390931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1683390979) 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, 2482542 + ... + 2483219.

It is an arithmetic number, because the mean of its divisors is an integer number (283048434).

Almost surely, 21683392979 is an apocalyptic number.

1683392979 is a deficient number, since it is larger than the sum of its proper divisors (580994493).

1683392979 is a wasteful number, since it uses less digits than its factorization.

1683392979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965877.

The product of its digits is 4408992, while the sum is 57.

The square root of 1683392979 is about 41029.1722924068. The cubic root of 1683392979 is about 1189.5841540662.

The spelling of 1683392979 in words is "one billion, six hundred eighty-three million, three hundred ninety-two thousand, nine hundred seventy-nine".

Divisors: 1 3 113 339 4965761 14897283 561130993 1683392979