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34240631 = 307111533
BaseRepresentation
bin1000001010011…
…1100001110111
32101102121022112
42002213201313
532231200011
63221521235
7564016625
oct202474167
971377275
1034240631
1118367547
12b57321b
13712b239
144794515
15301558b
hex20a7877

34240631 has 4 divisors (see below), whose sum is σ = 34352472. Its totient is φ = 34128792.

The previous prime is 34240627. The next prime is 34240639. The reversal of 34240631 is 13604243.

It is a happy number.

34240631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34240631 - 22 = 34240627 is a prime.

It is a super-2 number, since 2×342406312 = 2344841622556322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34240597 and 34240606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240639) 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, 55460 + ... + 56073.

It is an arithmetic number, because the mean of its divisors is an integer number (8588118).

Almost surely, 234240631 is an apocalyptic number.

34240631 is a deficient number, since it is larger than the sum of its proper divisors (111841).

34240631 is a wasteful number, since it uses less digits than its factorization.

34240631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111840.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 34240631 is about 5851.5494529227. The cubic root of 34240631 is about 324.7236498965.

Adding to 34240631 its reverse (13604243), we get a palindrome (47844874).

The spelling of 34240631 in words is "thirty-four million, two hundred forty thousand, six hundred thirty-one".

Divisors: 1 307 111533 34240631