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34259917 = 191317909
BaseRepresentation
bin1000001010110…
…0001111001101
32101110120202211
42002230033031
532232304132
63222150421
7564130066
oct202541715
971416684
1034259917
111837aa8a
12b582411
137136c53
14479b56d
15301b147
hex20ac3cd

34259917 has 4 divisors (see below), whose sum is σ = 34279740. Its totient is φ = 34240096.

The previous prime is 34259893. The next prime is 34259921. The reversal of 34259917 is 71995243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71995243 = 97742219.

It can be written as a sum of positive squares in 2 ways, for example, as 23097636 + 11162281 = 4806^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 34259917 - 27 = 34259789 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 34259917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34259987) 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, 7042 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (8569935).

Almost surely, 234259917 is an apocalyptic number.

It is an amenable number.

34259917 is a deficient number, since it is larger than the sum of its proper divisors (19823).

34259917 is a wasteful number, since it uses less digits than its factorization.

34259917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19822.

The product of its digits is 68040, while the sum is 40.

The square root of 34259917 is about 5853.1971605269. The cubic root of 34259917 is about 324.7846052069.

The spelling of 34259917 in words is "thirty-four million, two hundred fifty-nine thousand, nine hundred seventeen".

Divisors: 1 1913 17909 34259917