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34342891 = 1111932617
BaseRepresentation
bin1000001100000…
…0011111101011
32101121210120221
42003000133223
532242433031
63224030511
7564624022
oct203003753
971553527
1034342891
1118427360
12b602437
13716594b
1447bd8b9
153035a11
hex20c07eb

34342891 has 8 divisors (see below), whose sum is σ = 37510704. Its totient is φ = 31182720.

The previous prime is 34342883. The next prime is 34342921. The reversal of 34342891 is 19824343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34342891 - 23 = 34342883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34342991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11815 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (4688838).

Almost surely, 234342891 is an apocalyptic number.

34342891 is a deficient number, since it is larger than the sum of its proper divisors (3167813).

34342891 is a wasteful number, since it uses less digits than its factorization.

34342891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821.

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

The square root of 34342891 is about 5860.2807953203. The cubic root of 34342891 is about 325.0465921368.

It can be divided in two parts, 343 and 42891, that added together give a palindrome (43234).

The spelling of 34342891 in words is "thirty-four million, three hundred forty-two thousand, eight hundred ninety-one".

Divisors: 1 11 1193 2617 13123 28787 3122081 34342891