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1678013346 = 232312159517
BaseRepresentation
bin110010000000100…
…0111001110100010
311022221110220120110
41210001013032202
511414032411341
6434301352150
756403610122
oct14401071642
94287426513
101678013346
11791216299
123a9b68656
1320984bb09
1411cc00c82
159c4ae216
hex640473a2

1678013346 has 16 divisors (see below), whose sum is σ = 3501941184. Its totient is φ = 535018704.

The previous prime is 1678013333. The next prime is 1678013357. The reversal of 1678013346 is 6433108761.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6079621 + ... + 6079896.

It is an arithmetic number, because the mean of its divisors is an integer number (218871324).

Almost surely, 21678013346 is an apocalyptic number.

1678013346 is an abundant number, since it is smaller than the sum of its proper divisors (1823927838).

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

1678013346 is a wasteful number, since it uses less digits than its factorization.

1678013346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12159545.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1678013346 is about 40963.5611977279. The cubic root of 1678013346 is about 1188.3156138053.

The spelling of 1678013346 in words is "one billion, six hundred seventy-eight million, thirteen thousand, three hundred forty-six".

Divisors: 1 2 3 6 23 46 69 138 12159517 24319034 36478551 72957102 279668891 559337782 839006673 1678013346