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34238819 = 127269597
BaseRepresentation
bin1000001010011…
…1000101100011
32101102111211102
42002213011203
532231120234
63221505015
7564011426
oct202470543
971374742
1034238819
111836614a
12b57216b
13712a474
1447939bd
153014c7e
hex20a7163

34238819 has 4 divisors (see below), whose sum is σ = 34508544. Its totient is φ = 33969096.

The previous prime is 34238807. The next prime is 34238839. The reversal of 34238819 is 91883243.

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 34238819 - 224 = 17461603 is a prime.

It is a super-2 number, since 2×342388192 = 2344593453029522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34238839) 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, 134672 + ... + 134925.

It is an arithmetic number, because the mean of its divisors is an integer number (8627136).

Almost surely, 234238819 is an apocalyptic number.

34238819 is a deficient number, since it is larger than the sum of its proper divisors (269725).

34238819 is a wasteful number, since it uses less digits than its factorization.

34238819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269724.

The product of its digits is 41472, while the sum is 38.

The square root of 34238819 is about 5851.3946200884. The cubic root of 34238819 is about 324.7179217152.

The spelling of 34238819 in words is "thirty-four million, two hundred thirty-eight thousand, eight hundred nineteen".

Divisors: 1 127 269597 34238819