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1679674984 = 231331836277
BaseRepresentation
bin110010000011101…
…1100111001101000
311100001121022220121
41210013130321220
511414444044414
6434401133024
756424000421
oct14407347150
94301538817
101679674984
11792150749
123aa62a174
13209cb1230
1411d114648
159c6db724
hex641dce68

1679674984 has 64 divisors (see below), whose sum is σ = 3543805440. Its totient is φ = 741070080.

The previous prime is 1679674973. The next prime is 1679674999. The reversal of 1679674984 is 4894769761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264454 + ... + 270730.

It is an arithmetic number, because the mean of its divisors is an integer number (55371960).

Almost surely, 21679674984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1679674984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771902720).

1679674984 is an abundant number, since it is smaller than the sum of its proper divisors (1864130456).

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

1679674984 is a wasteful number, since it uses less digits than its factorization.

1679674984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6406 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 61.

The square root of 1679674984 is about 40983.8380828346. The cubic root of 1679674984 is about 1188.7077241109.

The spelling of 1679674984 in words is "one billion, six hundred seventy-nine million, six hundred seventy-four thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 26 31 52 62 83 104 124 166 248 332 403 664 806 1079 1612 2158 2573 3224 4316 5146 6277 8632 10292 12554 20584 25108 33449 50216 66898 81601 133796 163202 194587 267592 326404 389174 520991 652808 778348 1041982 1556696 2083964 2529631 4167928 5059262 6772883 10118524 13545766 16150721 20237048 27091532 32301442 54183064 64602884 129205768 209959373 419918746 839837492 1679674984