Search a number
-
+
23434451 = 28618191
BaseRepresentation
bin101100101100…
…1010011010011
31122002121000122
41121121103103
521444400301
62154140455
7403122005
oct131312323
948077018
1023434451
1112256717
127a2172b
134b16751
143180375
1520cd81b
hex16594d3

23434451 has 4 divisors (see below), whose sum is σ = 23445504. Its totient is φ = 23423400.

The previous prime is 23434423. The next prime is 23434487. The reversal of 23434451 is 15443432.

It is a semiprime because it is the product of two primes, 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 23434451 - 214 = 23418067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23434451.

It is not an unprimeable number, because it can be changed into a prime (23434351) 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, 1235 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (5861376).

Almost surely, 223434451 is an apocalyptic number.

23434451 is a deficient number, since it is larger than the sum of its proper divisors (11053).

23434451 is an equidigital number, since it uses as much as digits as its factorization.

23434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052.

The product of its digits is 5760, while the sum is 26.

The square root of 23434451 is about 4840.9142731513. The cubic root of 23434451 is about 286.1661503803.

Adding to 23434451 its reverse (15443432), we get a palindrome (38877883).

The spelling of 23434451 in words is "twenty-three million, four hundred thirty-four thousand, four hundred fifty-one".

Divisors: 1 2861 8191 23434451