Search a number
-
+
45279401 = 47239587
BaseRepresentation
bin1010110010111…
…0100010101001
310011012102122212
42230232202221
543042420101
64254254505
71056603626
oct254564251
9104172585
1045279401
11236170a2
12131b7435
1394c485b
14602934d
153e961bb
hex2b2e8a9

45279401 has 4 divisors (see below), whose sum is σ = 45293712. Its totient is φ = 45265092.

The previous prime is 45279397. The next prime is 45279407. The reversal of 45279401 is 10497254.

It is a happy number.

45279401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45279401 - 22 = 45279397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45279407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (11323428).

Almost surely, 245279401 is an apocalyptic number.

It is an amenable number.

45279401 is a deficient number, since it is larger than the sum of its proper divisors (14311).

45279401 is an equidigital number, since it uses as much as digits as its factorization.

45279401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45279401 is about 6728.9970277895. The cubic root of 45279401 is about 356.4239599359.

The spelling of 45279401 in words is "forty-five million, two hundred seventy-nine thousand, four hundred one".

Divisors: 1 4723 9587 45279401