Search a number
-
+
45570423 = 315190141
BaseRepresentation
bin1010110111010…
…1100101110111
310011202012212110
42231311211313
543131223143
64304422103
71062225243
oct255654567
9104665773
1045570423
11237a5808
1213317933
139597162
1460a3423
154002533
hex2b75977

45570423 has 4 divisors (see below), whose sum is σ = 60760568. Its totient is φ = 30380280.

The previous prime is 45570391. The next prime is 45570431. The reversal of 45570423 is 32407554.

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

It is not a de Polignac number, because 45570423 - 25 = 45570391 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 (45574423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7595068 + ... + 7595073.

It is an arithmetic number, because the mean of its divisors is an integer number (15190142).

Almost surely, 245570423 is an apocalyptic number.

45570423 is a deficient number, since it is larger than the sum of its proper divisors (15190145).

45570423 is a wasteful number, since it uses less digits than its factorization.

45570423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190144.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 45570423 is about 6750.5868633771. The cubic root of 45570423 is about 357.1859383383.

Adding to 45570423 its reverse (32407554), we get a palindrome (77977977).

The spelling of 45570423 in words is "forty-five million, five hundred seventy thousand, four hundred twenty-three".

Divisors: 1 3 15190141 45570423