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4986905 = 571112953
BaseRepresentation
bin10011000001100000011001
3100101100202012
4103001200121
52234040110
6254515305
760250040
oct23014031
910340665
104986905
1128a6810
121805b35
131057b41
1493b557
15687905
hex4c1819

4986905 has 16 divisors (see below), whose sum is σ = 7461504. Its totient is φ = 3108480.

The previous prime is 4986901. The next prime is 4986913. The reversal of 4986905 is 5096894.

It is not a de Polignac number, because 4986905 - 22 = 4986901 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4986901) 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, 6092 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (466344).

Almost surely, 24986905 is an apocalyptic number.

It is an amenable number.

4986905 is a deficient number, since it is larger than the sum of its proper divisors (2474599).

4986905 is a wasteful number, since it uses less digits than its factorization.

4986905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4986905 is about 2233.1379267748. The cubic root of 4986905 is about 170.8481832553.

The spelling of 4986905 in words is "four million, nine hundred eighty-six thousand, nine hundred five".

Divisors: 1 5 7 11 35 55 77 385 12953 64765 90671 142483 453355 712415 997381 4986905