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34271985 = 3511207709
BaseRepresentation
bin1000001010111…
…1001011110001
32101111012022210
42002233023301
532233200420
63222322333
7564210216
oct202571361
971435283
1034271985
1118389060
12b5893a9
13713c5a7
1447a1b0d
15301e9e0
hex20af2f1

34271985 has 16 divisors (see below), whose sum is σ = 59820480. Its totient is φ = 16616640.

The previous prime is 34271981. The next prime is 34271987. The reversal of 34271985 is 58917243.

34271985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34271985 - 22 = 34271981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34271981) 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 15 ways as a sum of consecutive naturals, for example, 103690 + ... + 104019.

It is an arithmetic number, because the mean of its divisors is an integer number (3738780).

Almost surely, 234271985 is an apocalyptic number.

It is an amenable number.

34271985 is a deficient number, since it is larger than the sum of its proper divisors (25548495).

34271985 is a wasteful number, since it uses less digits than its factorization.

34271985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207728.

The product of its digits is 60480, while the sum is 39.

The square root of 34271985 is about 5854.2279593470. The cubic root of 34271985 is about 324.8227356797.

It can be divided in two parts, 342 and 71985, that added together give a palindrome (72327).

The spelling of 34271985 in words is "thirty-four million, two hundred seventy-one thousand, nine hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 207709 623127 1038545 2284799 3115635 6854397 11423995 34271985