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5811157 = 1123103223
BaseRepresentation
bin10110001010101111010101
3101221020102001
4112022233111
52441424112
6324315301
7100252102
oct26125725
911836361
105811157
11330a010
121b42b31
131286071
14ab3aa9
1579bc57
hex58abd5

5811157 has 16 divisors (see below), whose sum is σ = 6709248. Its totient is φ = 4981680.

The previous prime is 5811121. The next prime is 5811163. The reversal of 5811157 is 7511185.

It is not a de Polignac number, because 5811157 - 211 = 5809109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25948 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 25811157 is an apocalyptic number.

It is an amenable number.

5811157 is a deficient number, since it is larger than the sum of its proper divisors (898091).

5811157 is a wasteful number, since it uses less digits than its factorization.

5811157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 1400, while the sum is 28.

The square root of 5811157 is about 2410.6341489326. The cubic root of 5811157 is about 179.7853098796.

Adding to 5811157 its sum of digits (28), we get a palindrome (5811185).

The spelling of 5811157 in words is "five million, eight hundred eleven thousand, one hundred fifty-seven".

Divisors: 1 11 23 103 223 253 1133 2369 2453 5129 22969 26059 56419 252659 528287 5811157