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45838813 = 190124113
BaseRepresentation
bin1010111011011…
…1000111011101
310012020212000211
42232313013131
543213320223
64314252421
71064423566
oct256670735
9105225024
1045838813
1123969419
1213427111
13965c377
14613316d
154056d0d
hex2bb71dd

45838813 has 4 divisors (see below), whose sum is σ = 45864828. Its totient is φ = 45812800.

The previous prime is 45838769. The next prime is 45838823. The reversal of 45838813 is 31883854.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15665764 + 30173049 = 3958^2 + 5493^2 .

It is a cyclic number.

It is not a de Polignac number, because 45838813 - 221 = 43741661 is a prime.

It is a super-3 number, since 3×458388133 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45838823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10156 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (11466207).

Almost surely, 245838813 is an apocalyptic number.

It is an amenable number.

45838813 is a deficient number, since it is larger than the sum of its proper divisors (26015).

45838813 is a wasteful number, since it uses less digits than its factorization.

45838813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26014.

The product of its digits is 92160, while the sum is 40.

The square root of 45838813 is about 6770.4366919719. The cubic root of 45838813 is about 357.8857895410.

The spelling of 45838813 in words is "forty-five million, eight hundred thirty-eight thousand, eight hundred thirteen".

Divisors: 1 1901 24113 45838813