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9120413 = 29314497
BaseRepresentation
bin100010110010…
…101010011101
3122011100212002
4202302222131
54313323123
6523252045
7140344061
oct42625235
918140762
109120413
11516a335
12307a025
131b743c3
1412d5aa1
15c02528
hex8b2a9d

9120413 has 4 divisors (see below), whose sum is σ = 9434940. Its totient is φ = 8805888.

The previous prime is 9120403. The next prime is 9120421. The reversal of 9120413 is 3140219.

9120413 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: 3140219 = 6151479.

It can be written as a sum of positive squares in 2 ways, for example, as 2474329 + 6646084 = 1573^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 9120413 - 210 = 9119389 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 (9120403) 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, 157220 + ... + 157277.

It is an arithmetic number, because the mean of its divisors is an integer number (2358735).

Almost surely, 29120413 is an apocalyptic number.

It is an amenable number.

9120413 is a deficient number, since it is larger than the sum of its proper divisors (314527).

9120413 is a wasteful number, since it uses less digits than its factorization.

9120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314526.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9120413 is about 3020.0021523171. The cubic root of 9120413 is about 208.9319391030.

The spelling of 9120413 in words is "nine million, one hundred twenty thousand, four hundred thirteen".

Divisors: 1 29 314497 9120413