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45340805 = 59068161
BaseRepresentation
bin1010110011110…
…1100010000101
310011022112220002
42230331202011
543101401210
64255451045
71060250636
oct254754205
9104275802
1045340805
1123659244
1213226a85
1395167a3
14604388d
153ea94a5
hex2b3d885

45340805 has 4 divisors (see below), whose sum is σ = 54408972. Its totient is φ = 36272640.

The previous prime is 45340787. The next prime is 45340829. The reversal of 45340805 is 50804354.

45340805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50804354 = 225402177.

It can be written as a sum of positive squares in 2 ways, for example, as 25989604 + 19351201 = 5098^2 + 4399^2 .

It is a de Polignac number, because none of the positive numbers 2k-45340805 is a prime.

It is a super-3 number, since 3×453408053 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4534076 + ... + 4534085.

It is an arithmetic number, because the mean of its divisors is an integer number (13602243).

Almost surely, 245340805 is an apocalyptic number.

It is an amenable number.

45340805 is a deficient number, since it is larger than the sum of its proper divisors (9068167).

45340805 is an equidigital number, since it uses as much as digits as its factorization.

45340805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068166.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 45340805 is about 6733.5581233104. The cubic root of 45340805 is about 356.5850042560.

The spelling of 45340805 in words is "forty-five million, three hundred forty thousand, eight hundred five".

Divisors: 1 5 9068161 45340805