Search a number
-
+
23234434 = 211617217
BaseRepresentation
bin101100010100…
…0011110000010
31121201102122121
41120220132002
521422000214
62145554454
7401326606
oct130503602
947642577
1023234434
111212a413
127945a2a
134a766b2
14312b506
15208e424
hex1628782

23234434 has 4 divisors (see below), whose sum is σ = 34851654. Its totient is φ = 11617216.

The previous prime is 23234411. The next prime is 23234437. The reversal of 23234434 is 43443232.

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

It can be written as a sum of positive squares in only one way, i.e., 13950225 + 9284209 = 3735^2 + 3047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23234399 and 23234408.

It is not an unprimeable number, because it can be changed into a prime (23234437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808607 + ... + 5808610.

Almost surely, 223234434 is an apocalyptic number.

23234434 is a deficient number, since it is larger than the sum of its proper divisors (11617220).

23234434 is a wasteful number, since it uses less digits than its factorization.

23234434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617219.

The product of its digits is 6912, while the sum is 25.

The square root of 23234434 is about 4820.2109912326. The cubic root of 23234434 is about 285.3496641865.

Adding to 23234434 its reverse (43443232), we get a palindrome (66677666).

The spelling of 23234434 in words is "twenty-three million, two hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 11617217 23234434