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45854881 is a prime number
BaseRepresentation
bin1010111011101…
…1000010100001
310012021200001221
42232323002201
543214324011
64314455041
71064521462
oct256730241
9105250057
1045854881
112397a4a6
1213434481
139666787
146138d69
15405b971
hex2bbb0a1

45854881 has 2 divisors, whose sum is σ = 45854882. Its totient is φ = 45854880.

The previous prime is 45854873. The next prime is 45854903. The reversal of 45854881 is 18845854.

45854881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33744481 + 12110400 = 5809^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 45854881 - 23 = 45854873 is a prime.

It is a super-2 number, since 2×458548812 = 4205340223048322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45851881) 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 as a sum of consecutive naturals, namely, 22927440 + 22927441.

It is an arithmetic number, because the mean of its divisors is an integer number (22927441).

Almost surely, 245854881 is an apocalyptic number.

It is an amenable number.

45854881 is a deficient number, since it is larger than the sum of its proper divisors (1).

45854881 is an equidigital number, since it uses as much as digits as its factorization.

45854881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204800, while the sum is 43.

The square root of 45854881 is about 6771.6232175159. The cubic root of 45854881 is about 357.9276015391.

The spelling of 45854881 in words is "forty-five million, eight hundred fifty-four thousand, eight hundred eighty-one".