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34239841 = 311104511
BaseRepresentation
bin1000001010011…
…1010101100001
32101102120020021
42002213111201
532231133331
63221513441
7564014416
oct202472541
971376207
1034239841
1118366999
12b572881
13712aa7c
14479410d
153015211
hex20a7561

34239841 has 4 divisors (see below), whose sum is σ = 35344384. Its totient is φ = 33135300.

The previous prime is 34239839. The next prime is 34239859. The reversal of 34239841 is 14893243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14893243 = 22765609.

It is a cyclic number.

It is not a de Polignac number, because 34239841 - 21 = 34239839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34239797 and 34239806.

It is not an unprimeable number, because it can be changed into a prime (34239871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552225 + ... + 552286.

It is an arithmetic number, because the mean of its divisors is an integer number (8836096).

Almost surely, 234239841 is an apocalyptic number.

34239841 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34239841 is a deficient number, since it is larger than the sum of its proper divisors (1104543).

34239841 is a wasteful number, since it uses less digits than its factorization.

34239841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104542.

The product of its digits is 20736, while the sum is 34.

The square root of 34239841 is about 5851.4819490450. The cubic root of 34239841 is about 324.7211525355.

The spelling of 34239841 in words is "thirty-four million, two hundred thirty-nine thousand, eight hundred forty-one".

Divisors: 1 31 1104511 34239841