Search a number
-
+
2799057 = 3933019
BaseRepresentation
bin1010101011010111010001
312021012120210
422223113101
51204032212
6135554333
732535342
oct12532721
95235523
102799057
111641a78
12b2b9a9
13770061
1452c0c9
153a453c
hex2ab5d1

2799057 has 4 divisors (see below), whose sum is σ = 3732080. Its totient is φ = 1866036.

The previous prime is 2799053. The next prime is 2799073. The reversal of 2799057 is 7509972.

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 2799057 - 22 = 2799053 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799053) 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, 466507 + ... + 466512.

It is an arithmetic number, because the mean of its divisors is an integer number (933020).

22799057 is an apocalyptic number.

It is an amenable number.

2799057 is a deficient number, since it is larger than the sum of its proper divisors (933023).

2799057 is an equidigital number, since it uses as much as digits as its factorization.

2799057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933022.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 2799057 is about 1673.0382541950. The cubic root of 2799057 is about 140.9301500011.

Subtracting 2799057 from its reverse (7509972), we obtain a triangular number (4710915 = T3069).

The spelling of 2799057 in words is "two million, seven hundred ninety-nine thousand, fifty-seven".

Divisors: 1 3 933019 2799057