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34742249 = 317109597
BaseRepresentation
bin1000010010000…
…1111111101001
32102101002101222
42010201333221
532343222444
63240351425
7601206233
oct204417751
972332358
1034742249
111867a403
12b775575
137275659
144885253
1530b3eee
hex2121fe9

34742249 has 4 divisors (see below), whose sum is σ = 34852164. Its totient is φ = 34632336.

The previous prime is 34742243. The next prime is 34742287. The reversal of 34742249 is 94224743.

34742249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94224743 = 194959197.

It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 13875625 = 4568^2 + 3725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34742249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34742243) 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 3 ways as a sum of consecutive naturals, for example, 54482 + ... + 55115.

It is an arithmetic number, because the mean of its divisors is an integer number (8713041).

Almost surely, 234742249 is an apocalyptic number.

It is an amenable number.

34742249 is a deficient number, since it is larger than the sum of its proper divisors (109915).

34742249 is a wasteful number, since it uses less digits than its factorization.

34742249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109914.

The product of its digits is 48384, while the sum is 35.

The square root of 34742249 is about 5894.2555933722. The cubic root of 34742249 is about 326.3016797900.

The spelling of 34742249 in words is "thirty-four million, seven hundred forty-two thousand, two hundred forty-nine".

Divisors: 1 317 109597 34742249