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4979090 = 253713457
BaseRepresentation
bin10010111111100110010010
3100100222000202
4102333212102
52233312330
6254415202
760215204
oct22774622
910328022
104979090
1128a0956
121801502
13105440c
14938774
15685445
hex4bf992

4979090 has 16 divisors (see below), whose sum is σ = 9205272. Its totient is φ = 1937664.

The previous prime is 4979071. The next prime is 4979101. The reversal of 4979090 is 909794.

It can be written as a sum of positive squares in 4 ways, for example, as 4870849 + 108241 = 2207^2 + 329^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6359 + ... + 7098.

Almost surely, 24979090 is an apocalyptic number.

4979090 is a deficient number, since it is larger than the sum of its proper divisors (4226182).

4979090 is a wasteful number, since it uses less digits than its factorization.

4979090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 4979090 is about 2231.3874607517. The cubic root of 4979090 is about 170.7588909578.

The spelling of 4979090 in words is "four million, nine hundred seventy-nine thousand, ninety".

Divisors: 1 2 5 10 37 74 185 370 13457 26914 67285 134570 497909 995818 2489545 4979090