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45020553 = 315006851
BaseRepresentation
bin1010101110111…
…1010110001001
310010201021120220
42223233112021
543011124203
64244540253
71054445154
oct253572611
9103637526
1045020553
112345a676
12130b1689
139433aa6
145d9cc9b
153e44653
hex2aef589

45020553 has 4 divisors (see below), whose sum is σ = 60027408. Its totient is φ = 30013700.

The previous prime is 45020551. The next prime is 45020567. The reversal of 45020553 is 35502054.

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 a cyclic number.

It is not a de Polignac number, because 45020553 - 21 = 45020551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45020551) 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, 7503423 + ... + 7503428.

It is an arithmetic number, because the mean of its divisors is an integer number (15006852).

Almost surely, 245020553 is an apocalyptic number.

It is an amenable number.

45020553 is a deficient number, since it is larger than the sum of its proper divisors (15006855).

45020553 is a wasteful number, since it uses less digits than its factorization.

45020553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006854.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 45020553 is about 6709.7356877898. The cubic root of 45020553 is about 355.7434739313.

The spelling of 45020553 in words is "forty-five million, twenty thousand, five hundred fifty-three".

Divisors: 1 3 15006851 45020553