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45047627 = 203922093
BaseRepresentation
bin1010101111010…
…1111101001011
310010202122201122
42223311331023
543013011002
64245305455
71054620122
oct253657513
9103678648
1045047627
1123478a49
121310528b
139443201
145da8ab9
153e4c6a2
hex2af5f4b

45047627 has 4 divisors (see below), whose sum is σ = 45071760. Its totient is φ = 45023496.

The previous prime is 45047609. The next prime is 45047633. The reversal of 45047627 is 72674054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72674054 = 236337027.

It is a cyclic number.

It is not a de Polignac number, because 45047627 - 220 = 43999051 is a prime.

It is a super-2 number, since 2×450476272 = 4058577396662258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45047647) 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, 9008 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (11267940).

Almost surely, 245047627 is an apocalyptic number.

45047627 is a deficient number, since it is larger than the sum of its proper divisors (24133).

45047627 is a wasteful number, since it uses less digits than its factorization.

45047627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24132.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 45047627 is about 6711.7529006959. The cubic root of 45047627 is about 355.8147707660.

The spelling of 45047627 in words is "forty-five million, forty-seven thousand, six hundred twenty-seven".

Divisors: 1 2039 22093 45047627