Search a number
-
+
2857133 = 25111383
BaseRepresentation
bin1010111001100010101101
312101011020202
422321202231
51212412013
6141123245
733166556
oct12714255
95334222
102857133
111681674
12b59525
13790616
1454532d
153b6858
hex2b98ad

2857133 has 4 divisors (see below), whose sum is σ = 2868768. Its totient is φ = 2845500.

The previous prime is 2857123. The next prime is 2857159. The reversal of 2857133 is 3317582.

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 2857133 - 216 = 2791597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2857096 and 2857105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857123) 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, 5441 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (717192).

22857133 is an apocalyptic number.

It is an amenable number.

2857133 is a deficient number, since it is larger than the sum of its proper divisors (11635).

2857133 is a wasteful number, since it uses less digits than its factorization.

2857133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634.

The product of its digits is 5040, while the sum is 29.

The square root of 2857133 is about 1690.3055936723. The cubic root of 2857133 is about 141.8981780138.

The spelling of 2857133 in words is "two million, eight hundred fifty-seven thousand, one hundred thirty-three".

Divisors: 1 251 11383 2857133