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29392313 = 101291013
BaseRepresentation
bin111000000011…
…1110110111001
32001022021200012
41300013312321
530011023223
62525551305
7504554606
oct160076671
961267605
1029392313
1115655975
129a15535
136121502
143c916ad
1528a8c78
hex1c07db9

29392313 has 4 divisors (see below), whose sum is σ = 29683428. Its totient is φ = 29101200.

The previous prime is 29392289. The next prime is 29392327. The reversal of 29392313 is 31329392.

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 17372224 + 12020089 = 4168^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 29392313 - 218 = 29130169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29392313.

It is not an unprimeable number, because it can be changed into a prime (29392213) 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, 145406 + ... + 145607.

It is an arithmetic number, because the mean of its divisors is an integer number (7420857).

Almost surely, 229392313 is an apocalyptic number.

It is an amenable number.

29392313 is a deficient number, since it is larger than the sum of its proper divisors (291115).

29392313 is a wasteful number, since it uses less digits than its factorization.

29392313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291114.

The product of its digits is 8748, while the sum is 32.

The square root of 29392313 is about 5421.4677901838. The cubic root of 29392313 is about 308.6108953924.

The spelling of 29392313 in words is "twenty-nine million, three hundred ninety-two thousand, three hundred thirteen".

Divisors: 1 101 291013 29392313