Search a number
-
+
2023340431 = 7289048633
BaseRepresentation
bin111100010011001…
…1011100110001111
312020000021100021111
41320212123212033
513120433343211
6532435112451
7101066052460
oct17046334617
95200240244
102023340431
11949139682
12485742727
1326325a078
14152a12d67
15bc973421
hex7899b98f

2023340431 has 4 divisors (see below), whose sum is σ = 2312389072. Its totient is φ = 1734291792.

The previous prime is 2023340377. The next prime is 2023340443. The reversal of 2023340431 is 1340433202.

It is a happy number.

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-2023340431 is a prime.

It is a super-2 number, since 2×20233404312 = 8187812999438531522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023340131) 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, 144524310 + ... + 144524323.

It is an arithmetic number, because the mean of its divisors is an integer number (578097268).

Almost surely, 22023340431 is an apocalyptic number.

2023340431 is a deficient number, since it is larger than the sum of its proper divisors (289048641).

2023340431 is an equidigital number, since it uses as much as digits as its factorization.

2023340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289048640.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2023340431 is about 44981.5565648856. The cubic root of 2023340431 is about 1264.8032899875.

Adding to 2023340431 its reverse (1340433202), we get a palindrome (3363773633).

The spelling of 2023340431 in words is "two billion, twenty-three million, three hundred forty thousand, four hundred thirty-one".

Divisors: 1 7 289048633 2023340431