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45000011 = 76428573
BaseRepresentation
bin1010101110101…
…0010101001011
310010200020102002
42223222111023
543010000021
64244301215
71054331240
oct253522513
9103606362
1045000011
11234461a1
12130a180b
139427634
145d955c7
153e3d50b
hex2aea54b

45000011 has 4 divisors (see below), whose sum is σ = 51428592. Its totient is φ = 38571432.

The previous prime is 44999971. The next prime is 45000017. The reversal of 45000011 is 11000054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45000011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44999956 and 45000001.

It is not an unprimeable number, because it can be changed into a prime (45000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214280 + ... + 3214293.

It is an arithmetic number, because the mean of its divisors is an integer number (12857148).

Almost surely, 245000011 is an apocalyptic number.

45000011 is a deficient number, since it is larger than the sum of its proper divisors (6428581).

45000011 is an equidigital number, since it uses as much as digits as its factorization.

45000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428580.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 45000011 is about 6708.2047523909. The cubic root of 45000011 is about 355.6893594311.

Adding to 45000011 its reverse (11000054), we get a palindrome (56000065).

The spelling of 45000011 in words is "forty-five million, eleven", and thus it is an aban number and an uban number.

Divisors: 1 7 6428573 45000011