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29842243 = 31962653
BaseRepresentation
bin111000111010…
…1101101000011
32002011010212021
41301311231003
530114422433
62543342311
7511440424
oct161655503
962133767
1029842243
1115932a12
129bb1997
13624b242
143d6b64b
15294722d
hex1c75b43

29842243 has 4 divisors (see below), whose sum is σ = 30804928. Its totient is φ = 28879560.

The previous prime is 29842231. The next prime is 29842277. The reversal of 29842243 is 34224892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29842243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29842199 and 29842208.

It is not an unprimeable number, because it can be changed into a prime (29842543) 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, 481296 + ... + 481357.

It is an arithmetic number, because the mean of its divisors is an integer number (7701232).

Almost surely, 229842243 is an apocalyptic number.

29842243 is a deficient number, since it is larger than the sum of its proper divisors (962685).

29842243 is an equidigital number, since it uses as much as digits as its factorization.

29842243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962684.

The product of its digits is 27648, while the sum is 34.

The square root of 29842243 is about 5462.8054148029. The cubic root of 29842243 is about 310.1776401224.

The spelling of 29842243 in words is "twenty-nine million, eight hundred forty-two thousand, two hundred forty-three".

Divisors: 1 31 962653 29842243