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45030133 = 192370007
BaseRepresentation
bin1010101111000…
…1101011110101
310010201202201201
42223301223311
543011431013
64245052501
71054515121
oct253615365
9103652651
1045030133
1123466895
12130b7131
139438265
145da2581
153e473dd
hex2af1af5

45030133 has 4 divisors (see below), whose sum is σ = 47400160. Its totient is φ = 42660108.

The previous prime is 45030131. The next prime is 45030149. The reversal of 45030133 is 33103054.

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 45030133 - 21 = 45030131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2370007 = 45030133 / (4 + 5 + 0 + 3 + 0 + 1 + 3 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45030133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45030131) 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, 1184985 + ... + 1185022.

It is an arithmetic number, because the mean of its divisors is an integer number (11850040).

Almost surely, 245030133 is an apocalyptic number.

It is an amenable number.

45030133 is a deficient number, since it is larger than the sum of its proper divisors (2370027).

45030133 is a wasteful number, since it uses less digits than its factorization.

45030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370026.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 45030133 is about 6710.4495378477. The cubic root of 45030133 is about 355.7687052279.

Adding to 45030133 its reverse (33103054), we get a palindrome (78133187).

The spelling of 45030133 in words is "forty-five million, thirty thousand, one hundred thirty-three".

Divisors: 1 19 2370007 45030133