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4990980 = 2235193431
BaseRepresentation
bin10011000010100000000100
3100101120100010
4103002200010
52234202410
6254550220
760264651
oct23024004
910346303
104990980
1128a9885
121808370
131059957
1493cc28
15688c20
hex4c2804

4990980 has 48 divisors (see below), whose sum is σ = 14079744. Its totient is φ = 1320960.

The previous prime is 4990961. The next prime is 4990981. The reversal of 4990980 is 890994.

It is not an unprimeable number, because it can be changed into a prime (4990981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11365 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

Almost surely, 24990980 is an apocalyptic number.

It is an amenable number.

4990980 is an abundant number, since it is smaller than the sum of its proper divisors (9088764).

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

4990980 is a wasteful number, since it uses less digits than its factorization.

4990980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 4990980 is about 2234.0501337257. The cubic root of 4990980 is about 170.8947062190.

The spelling of 4990980 in words is "four million, nine hundred ninety thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 431 579 772 862 965 1158 1293 1724 1930 2155 2316 2586 2895 3860 4310 5172 5790 6465 8620 11580 12930 25860 83183 166366 249549 332732 415915 499098 831830 998196 1247745 1663660 2495490 4990980