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45020711 = 311452281
BaseRepresentation
bin1010101110111…
…1011000100111
310010201021210202
42223233120213
543011130321
64244541115
71054445501
oct253573047
9103637722
1045020711
112345a7aa
12130b179b
139433b98
145d9cd71
153e4470b
hex2aef627

45020711 has 4 divisors (see below), whose sum is σ = 46473024. Its totient is φ = 43568400.

The previous prime is 45020681. The next prime is 45020719. The reversal of 45020711 is 11702054.

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

It is a cyclic number.

It is not a de Polignac number, because 45020711 - 214 = 45004327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020719) 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, 726110 + ... + 726171.

It is an arithmetic number, because the mean of its divisors is an integer number (11618256).

Almost surely, 245020711 is an apocalyptic number.

45020711 is a deficient number, since it is larger than the sum of its proper divisors (1452313).

45020711 is a wasteful number, since it uses less digits than its factorization.

45020711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452312.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 45020711 is about 6709.7474617157. The cubic root of 45020711 is about 355.7438900924.

Adding to 45020711 its reverse (11702054), we get a palindrome (56722765).

The spelling of 45020711 in words is "forty-five million, twenty thousand, seven hundred eleven".

Divisors: 1 31 1452281 45020711