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34221311 = 47728113
BaseRepresentation
bin1000001010001…
…0110011111111
32101101121210222
42002202303333
532230040221
63221251555
7563606405
oct202426377
971347728
1034221311
1118353a83
12b563bbb
1371224c7
14478b475
15300e9ab
hex20a2cff

34221311 has 4 divisors (see below), whose sum is σ = 34949472. Its totient is φ = 33493152.

The previous prime is 34221287. The next prime is 34221329. The reversal of 34221311 is 11312243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11312243 = 13186353.

It is a cyclic number.

It is not a de Polignac number, because 34221311 - 222 = 30027007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34221311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364010 + ... + 364103.

It is an arithmetic number, because the mean of its divisors is an integer number (8737368).

Almost surely, 234221311 is an apocalyptic number.

34221311 is a deficient number, since it is larger than the sum of its proper divisors (728161).

34221311 is an equidigital number, since it uses as much as digits as its factorization.

34221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728160.

The product of its digits is 144, while the sum is 17.

The square root of 34221311 is about 5849.8983751857. The cubic root of 34221311 is about 324.6625641722.

Adding to 34221311 its reverse (11312243), we get a palindrome (45533554).

The spelling of 34221311 in words is "thirty-four million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 47 728113 34221311