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299427 = 399809
BaseRepresentation
bin1001001000110100011
3120012201220
41021012203
534040202
610230123
72354652
oct1110643
9505656
10299427
11194a67
12125343
13a639b
147b199
155dabc
hex491a3

299427 has 4 divisors (see below), whose sum is σ = 399240. Its totient is φ = 199616.

The previous prime is 299419. The next prime is 299447. The reversal of 299427 is 724992.

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

It is a cyclic number.

It is not a de Polignac number, because 299427 - 23 = 299419 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (299417) 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, 49902 + ... + 49907.

It is an arithmetic number, because the mean of its divisors is an integer number (99810).

2299427 is an apocalyptic number.

299427 is a deficient number, since it is larger than the sum of its proper divisors (99813).

299427 is an equidigital number, since it uses as much as digits as its factorization.

299427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99812.

The product of its digits is 9072, while the sum is 33.

The square root of 299427 is about 547.1992324556. The cubic root of 299427 is about 66.9006472798.

The spelling of 299427 in words is "two hundred ninety-nine thousand, four hundred twenty-seven".

Divisors: 1 3 99809 299427