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299670897 = 399890299
BaseRepresentation
bin10001110111001…
…001110101110001
3202212212212012010
4101313021311301
51103203432042
645422553133
710266106041
oct2167116561
9685785163
10299670897
1114417a1a9
12844387a9
134a114076
142bb29721
151b49659c
hex11dc9d71

299670897 has 4 divisors (see below), whose sum is σ = 399561200. Its totient is φ = 199780596.

The previous prime is 299670871. The next prime is 299670911. The reversal of 299670897 is 798076992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 299670897 - 210 = 299669873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299670817) 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, 49945147 + ... + 49945152.

It is an arithmetic number, because the mean of its divisors is an integer number (99890300).

Almost surely, 2299670897 is an apocalyptic number.

It is an amenable number.

299670897 is a deficient number, since it is larger than the sum of its proper divisors (99890303).

299670897 is an equidigital number, since it uses as much as digits as its factorization.

299670897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99890302.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 299670897 is about 17311.0050834722. The cubic root of 299670897 is about 669.1880689678.

The spelling of 299670897 in words is "two hundred ninety-nine million, six hundred seventy thousand, eight hundred ninety-seven".

Divisors: 1 3 99890299 299670897