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2240230451 = 9511235541
BaseRepresentation
bin1000010110000111…
…0011010000110011
312210010101111110012
42011201303100303
514041444333301
61010143525135
7106341434054
oct20541632063
95703344405
102240230451
11a4a608328
125262b97ab
13299179064
1417375072b
15d1a16ebb
hex85873433

2240230451 has 4 divisors (see below), whose sum is σ = 2240475504. Its totient is φ = 2239985400.

The previous prime is 2240230387. The next prime is 2240230519. The reversal of 2240230451 is 1540320422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2240230451 - 26 = 2240230387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240230051) 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, 108260 + ... + 127281.

It is an arithmetic number, because the mean of its divisors is an integer number (560118876).

Almost surely, 22240230451 is an apocalyptic number.

2240230451 is a deficient number, since it is larger than the sum of its proper divisors (245053).

2240230451 is an equidigital number, since it uses as much as digits as its factorization.

2240230451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245052.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2240230451 is about 47331.0727852222. The cubic root of 2240230451 is about 1308.4713928048.

Adding to 2240230451 its reverse (1540320422), we get a palindrome (3780550873).

The spelling of 2240230451 in words is "two billion, two hundred forty million, two hundred thirty thousand, four hundred fifty-one".

Divisors: 1 9511 235541 2240230451