Search a number
-
+
683630980 = 22547727267
BaseRepresentation
bin101000101111110…
…110000110000100
31202122101001101221
4220233312012010
52400002142410
6151500330124
722640524144
oct5057660604
91678331357
10683630980
1132098a08a
12170b43944
13ab82a896
1466b16924
154003c4da
hex28bf6184

683630980 has 24 divisors (see below), whose sum is σ = 1466172288. Its totient is φ = 267633888.

The previous prime is 683630957. The next prime is 683630993. The reversal of 683630980 is 89036386.

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, 362694 + ... + 364573.

It is an arithmetic number, because the mean of its divisors is an integer number (61090512).

Almost surely, 2683630980 is an apocalyptic number.

It is an amenable number.

683630980 is an abundant number, since it is smaller than the sum of its proper divisors (782541308).

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

683630980 is a wasteful number, since it uses less digits than its factorization.

683630980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727323 (or 727321 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 683630980 is about 26146.3377932742. The cubic root of 683630980 is about 880.9283333508.

The spelling of 683630980 in words is "six hundred eighty-three million, six hundred thirty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 727267 1454534 2909068 3636335 7272670 14545340 34181549 68363098 136726196 170907745 341815490 683630980