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34841221 = 73477277
BaseRepresentation
bin1000010011101…
…0001010000101
32102120010011121
42010322022011
532404404341
63242433541
7602100622
oct204721205
972503147
1034841221
11187377a8
12b8028b1
1372ab70c
1448ad349
1530d34d1
hex213a285

34841221 has 4 divisors (see below), whose sum is σ = 35318572. Its totient is φ = 34363872.

The previous prime is 34841201. The next prime is 34841227. The reversal of 34841221 is 12214843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 28740321 = 2470^2 + 5361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34841221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34841227) 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, 238566 + ... + 238711.

It is an arithmetic number, because the mean of its divisors is an integer number (8829643).

Almost surely, 234841221 is an apocalyptic number.

It is an amenable number.

34841221 is a deficient number, since it is larger than the sum of its proper divisors (477351).

34841221 is an equidigital number, since it uses as much as digits as its factorization.

34841221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477350.

The product of its digits is 1536, while the sum is 25.

The square root of 34841221 is about 5902.6452544601. The cubic root of 34841221 is about 326.6112367193.

The spelling of 34841221 in words is "thirty-four million, eight hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 73 477277 34841221