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8313069 = 32771023
BaseRepresentation
bin11111101101100011101101
3120122100101110
4133231203231
54112004234
6454102233
7130442232
oct37554355
916570343
108313069
114768806
12294a979
131950a9b
141165789
15ae31e9
hex7ed8ed

8313069 has 4 divisors (see below), whose sum is σ = 11084096. Its totient is φ = 5542044.

The previous prime is 8313043. The next prime is 8313077. The reversal of 8313069 is 9603138.

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 not a de Polignac number, because 8313069 - 211 = 8311021 is a prime.

It is a super-2 number, since 2×83130692 = 138214232397522, which contains 22 as substring.

It is a Duffinian number.

8313069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8313029) 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, 1385509 + ... + 1385514.

It is an arithmetic number, because the mean of its divisors is an integer number (2771024).

Almost surely, 28313069 is an apocalyptic number.

It is an amenable number.

8313069 is a deficient number, since it is larger than the sum of its proper divisors (2771027).

8313069 is a wasteful number, since it uses less digits than its factorization.

8313069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771026.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 8313069 is about 2883.2393240936. The cubic root of 8313069 is about 202.5755974412.

The spelling of 8313069 in words is "eight million, three hundred thirteen thousand, sixty-nine".

Divisors: 1 3 2771023 8313069