Search a number
-
+
45305527 = 172665031
BaseRepresentation
bin1010110011010…
…0111010110111
310011020202111111
42230310322313
543044234102
64255015451
71060043041
oct254647267
9104222444
1045305527
1123634793
121320a587
139503707
146034a91
153e9dcd7
hex2b34eb7

45305527 has 4 divisors (see below), whose sum is σ = 47970576. Its totient is φ = 42640480.

The previous prime is 45305503. The next prime is 45305537. The reversal of 45305527 is 72550354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45305527 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45305537) 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, 1332499 + ... + 1332532.

It is an arithmetic number, because the mean of its divisors is an integer number (11992644).

Almost surely, 245305527 is an apocalyptic number.

45305527 is a deficient number, since it is larger than the sum of its proper divisors (2665049).

45305527 is a wasteful number, since it uses less digits than its factorization.

45305527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665048.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 45305527 is about 6730.9380475533. The cubic root of 45305527 is about 356.4924984013.

The spelling of 45305527 in words is "forty-five million, three hundred five thousand, five hundred twenty-seven".

Divisors: 1 17 2665031 45305527