Search a number
-
+
34240423 = 74891489
BaseRepresentation
bin1000001010011…
…1011110100111
32101102121000211
42002213132213
532231143143
63221520251
7564016210
oct202473647
971377024
1034240423
1118367378
12b573087
13712b109
144794407
15301549d
hex20a77a7

34240423 has 4 divisors (see below), whose sum is σ = 39131920. Its totient is φ = 29348928.

The previous prime is 34240421. The next prime is 34240433. The reversal of 34240423 is 32404243.

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

It is not a de Polignac number, because 34240423 - 21 = 34240421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34240394 and 34240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240421) 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, 2445738 + ... + 2445751.

It is an arithmetic number, because the mean of its divisors is an integer number (9782980).

Almost surely, 234240423 is an apocalyptic number.

34240423 is a deficient number, since it is larger than the sum of its proper divisors (4891497).

34240423 is an equidigital number, since it uses as much as digits as its factorization.

34240423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891496.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 34240423 is about 5851.5316798254. The cubic root of 34240423 is about 324.7229923672.

Adding to 34240423 its reverse (32404243), we get a palindrome (66644666).

The spelling of 34240423 in words is "thirty-four million, two hundred forty thousand, four hundred twenty-three".

Divisors: 1 7 4891489 34240423