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297000893 = 742428699
BaseRepresentation
bin10001101100111…
…101111110111101
3202200212012122002
4101230331332331
51102013012033
645245432045
710234315550
oct2154757675
9680765562
10297000893
11142716192
128356b625
13496ba997
142b632697
151b11a3e8
hex11b3dfbd

297000893 has 4 divisors (see below), whose sum is σ = 339429600. Its totient is φ = 254572188.

The previous prime is 297000853. The next prime is 297000901. The reversal of 297000893 is 398000792.

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 a cyclic number.

It is not a de Polignac number, because 297000893 - 28 = 297000637 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 (297000853) 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, 21214343 + ... + 21214356.

It is an arithmetic number, because the mean of its divisors is an integer number (84857400).

Almost surely, 2297000893 is an apocalyptic number.

It is an amenable number.

297000893 is a deficient number, since it is larger than the sum of its proper divisors (42428707).

297000893 is an equidigital number, since it uses as much as digits as its factorization.

297000893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42428706.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 297000893 is about 17233.7138481524. The cubic root of 297000893 is about 667.1946958618.

The spelling of 297000893 in words is "two hundred ninety-seven million, eight hundred ninety-three", and thus it is an aban number.

Divisors: 1 7 42428699 297000893