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8342213 = 11758383
BaseRepresentation
bin11111110100101011000101
3120200211100212
4133310223011
54113422323
6454445205
7130623215
oct37645305
916624325
108342213
1147886a0
122963805
131961129
141172245
15aebb78
hex7f4ac5

8342213 has 4 divisors (see below), whose sum is σ = 9100608. Its totient is φ = 7583820.

The previous prime is 8342203. The next prime is 8342219. The reversal of 8342213 is 3122438.

8342213 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8342213 - 26 = 8342149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342219) 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, 379181 + ... + 379202.

It is an arithmetic number, because the mean of its divisors is an integer number (2275152).

Almost surely, 28342213 is an apocalyptic number.

It is an amenable number.

8342213 is a deficient number, since it is larger than the sum of its proper divisors (758395).

8342213 is a wasteful number, since it uses less digits than its factorization.

8342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758394.

The product of its digits is 1152, while the sum is 23.

The square root of 8342213 is about 2888.2889398396. The cubic root of 8342213 is about 202.8120515255.

The spelling of 8342213 in words is "eight million, three hundred forty-two thousand, two hundred thirteen".

Divisors: 1 11 758383 8342213