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2997001 = 7428143
BaseRepresentation
bin1011011011101100001001
312122021010001
423123230021
51231401001
6144123001
734321420
oct13335411
95567101
102997001
111767767
121006461
1380c197
145802b7
153e3001
hex2dbb09

2997001 has 4 divisors (see below), whose sum is σ = 3425152. Its totient is φ = 2568852.

The previous prime is 2996933. The next prime is 2997011. The reversal of 2997001 is 1007992.

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 2997001 - 29 = 2996489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997011) 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, 214065 + ... + 214078.

It is an arithmetic number, because the mean of its divisors is an integer number (856288).

22997001 is an apocalyptic number.

2997001 is the 1000-th hex number.

It is an amenable number.

2997001 is a deficient number, since it is larger than the sum of its proper divisors (428151).

2997001 is an equidigital number, since it uses as much as digits as its factorization.

2997001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428150.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2997001 is about 1731.1848543700. The cubic root of 2997001 is about 144.1768820468.

The spelling of 2997001 in words is "two million, nine hundred ninety-seven thousand, one".

Divisors: 1 7 428143 2997001