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5491144 = 231634211
BaseRepresentation
bin10100111100100111001000
3101022222102201
4110330213020
52401204034
6313405544
764450111
oct24744710
911288381
105491144
11311063a
121a098b4
1311a34c9
14a2d208
15737014
hex53c9c8

5491144 has 16 divisors (see below), whose sum is σ = 10361520. Its totient is φ = 2728080.

The previous prime is 5491141. The next prime is 5491163. The reversal of 5491144 is 4411945.

It is not an unprimeable number, because it can be changed into a prime (5491141) 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 3 ways as a sum of consecutive naturals, for example, 802 + ... + 3409.

It is an arithmetic number, because the mean of its divisors is an integer number (647595).

Almost surely, 25491144 is an apocalyptic number.

It is an amenable number.

5491144 is a deficient number, since it is larger than the sum of its proper divisors (4870376).

5491144 is a wasteful number, since it uses less digits than its factorization.

5491144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 4376 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 5491144 is about 2343.3190137068. The cubic root of 5491144 is about 176.4226241586.

The spelling of 5491144 in words is "five million, four hundred ninety-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 163 326 652 1304 4211 8422 16844 33688 686393 1372786 2745572 5491144