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45405201 = 315135067
BaseRepresentation
bin1010110100110…
…1010000010001
310011102211020010
42231031100101
543110431301
64301105133
71060636452
oct255152021
9104384203
1045405201
11236a2666
12132581a9
139539baa
14605d129
153ebd5d6
hex2b4d411

45405201 has 4 divisors (see below), whose sum is σ = 60540272. Its totient is φ = 30270132.

The previous prime is 45405187. The next prime is 45405203. The reversal of 45405201 is 10250454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45405201 - 25 = 45405169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45405203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7567531 + ... + 7567536.

It is an arithmetic number, because the mean of its divisors is an integer number (15135068).

Almost surely, 245405201 is an apocalyptic number.

It is an amenable number.

45405201 is a deficient number, since it is larger than the sum of its proper divisors (15135071).

45405201 is a wasteful number, since it uses less digits than its factorization.

45405201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135070.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45405201 is about 6738.3381482380. The cubic root of 45405201 is about 356.7537395743.

Adding to 45405201 its reverse (10250454), we get a palindrome (55655655).

The spelling of 45405201 in words is "forty-five million, four hundred five thousand, two hundred one".

Divisors: 1 3 15135067 45405201