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74313211 = 710616173
BaseRepresentation
bin1000110110111…
…10110111111011
312011211111120011
410123132313323
5123011010321
611212442351
71561436410
oct433366773
9164744504
1074313211
1138a47685
1220a793b7
131251bb1b
149c26107
1567cdae1
hex46dedfb

74313211 has 4 divisors (see below), whose sum is σ = 84929392. Its totient is φ = 63697032.

The previous prime is 74313203. The next prime is 74313221. The reversal of 74313211 is 11231347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11231347 = 80913883.

It is not a de Polignac number, because 74313211 - 23 = 74313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5308080 + ... + 5308093.

It is an arithmetic number, because the mean of its divisors is an integer number (21232348).

Almost surely, 274313211 is an apocalyptic number.

74313211 is a deficient number, since it is larger than the sum of its proper divisors (10616181).

74313211 is a wasteful number, since it uses less digits than its factorization.

74313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616180.

The product of its digits is 504, while the sum is 22.

The square root of 74313211 is about 8620.5110637363. The cubic root of 74313211 is about 420.4251382984.

Adding to 74313211 its reverse (11231347), we get a palindrome (85544558).

The spelling of 74313211 in words is "seventy-four million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 7 10616173 74313211