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4880981 = 73183271
BaseRepresentation
bin10010100111101001010101
3100011222110002
4102213221111
52222142411
6252341045
756326160
oct22475125
910158402
104880981
112834176
121774785
13101b871
14910ad7
1566633b
hex4a7a55

4880981 has 16 divisors (see below), whose sum is σ = 5849088. Its totient is φ = 3985200.

The previous prime is 4880977. The next prime is 4880987. The reversal of 4880981 is 1890884.

It is a cyclic number.

It is not a de Polignac number, because 4880981 - 22 = 4880977 is a prime.

It is a super-2 number, since 2×48809812 = 47647951044722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4880987) 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, 17876 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (365568).

Almost surely, 24880981 is an apocalyptic number.

It is an amenable number.

4880981 is a deficient number, since it is larger than the sum of its proper divisors (968107).

4880981 is a wasteful number, since it uses less digits than its factorization.

4880981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 4880981 is about 2209.2942311969. The cubic root of 4880981 is about 169.6298868395.

The spelling of 4880981 in words is "four million, eight hundred eighty thousand, nine hundred eighty-one".

Divisors: 1 7 31 83 217 271 581 1897 2573 8401 18011 22493 58807 157451 697283 4880981