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9340813 = 29322097
BaseRepresentation
bin100011101000…
…011110001101
3122120120012001
4203220132031
54342401223
6532112301
7142252456
oct43503615
918516161
109340813
1152aa989
123165691
131c20811
14135212d
15c479ad
hex8e878d

9340813 has 4 divisors (see below), whose sum is σ = 9662940. Its totient is φ = 9018688.

The previous prime is 9340787. The next prime is 9340819. The reversal of 9340813 is 3180439.

9340813 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 3180439 = 4616899.

It can be written as a sum of positive squares in 2 ways, for example, as 6165289 + 3175524 = 2483^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 9340813 - 29 = 9340301 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 (9340819) 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, 161020 + ... + 161077.

It is an arithmetic number, because the mean of its divisors is an integer number (2415735).

Almost surely, 29340813 is an apocalyptic number.

It is an amenable number.

9340813 is a deficient number, since it is larger than the sum of its proper divisors (322127).

9340813 is a wasteful number, since it uses less digits than its factorization.

9340813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322126.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 9340813 is about 3056.2743659560. The cubic root of 9340813 is about 210.6015480761.

It can be divided in two parts, 9340 and 813, that added together give a triangular number (10153 = T142).

The spelling of 9340813 in words is "nine million, three hundred forty thousand, eight hundred thirteen".

Divisors: 1 29 322097 9340813