Search a number
-
+
4890939 = 310914957
BaseRepresentation
bin10010101010000100111011
3100012111002220
4102222010323
52223002224
6252455123
756400204
oct22520473
910174086
104890939
1128406a9
12177a4a3
131023261
149145ab
15669279
hex4aa13b

4890939 has 8 divisors (see below), whose sum is σ = 6581520. Its totient is φ = 3230496.

The previous prime is 4890913. The next prime is 4890943. The reversal of 4890939 is 9390984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4890939 - 215 = 4858171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4890939.

It is not an unprimeable number, because it can be changed into a prime (4890139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7152 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (822690).

Almost surely, 24890939 is an apocalyptic number.

4890939 is a deficient number, since it is larger than the sum of its proper divisors (1690581).

4890939 is a wasteful number, since it uses less digits than its factorization.

4890939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15069.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4890939 is about 2211.5467437972. The cubic root of 4890939 is about 169.7451660551.

The spelling of 4890939 in words is "four million, eight hundred ninety thousand, nine hundred thirty-nine".

Divisors: 1 3 109 327 14957 44871 1630313 4890939