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45080923 = 172651819
BaseRepresentation
bin1010101111111…
…0000101011011
310010211100101211
42223332011123
543020042143
64250123551
71055116156
oct253760533
9103740354
1045080923
11234a0a68
12131205b7
139455404
145db6c9d
153e5749d
hex2afe15b

45080923 has 4 divisors (see below), whose sum is σ = 47732760. Its totient is φ = 42429088.

The previous prime is 45080909. The next prime is 45080927. The reversal of 45080923 is 32908054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32908054 = 216454027.

It is a cyclic number.

It is not a de Polignac number, because 45080923 - 29 = 45080411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45080927) 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, 1325893 + ... + 1325926.

It is an arithmetic number, because the mean of its divisors is an integer number (11933190).

Almost surely, 245080923 is an apocalyptic number.

45080923 is a deficient number, since it is larger than the sum of its proper divisors (2651837).

45080923 is a wasteful number, since it uses less digits than its factorization.

45080923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651836.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 45080923 is about 6714.2328675732. The cubic root of 45080923 is about 355.9024134953.

Adding to 45080923 its reverse (32908054), we get a palindrome (77988977).

The spelling of 45080923 in words is "forty-five million, eighty thousand, nine hundred twenty-three".

Divisors: 1 17 2651819 45080923