[go: up one dir, main page]

Search a number
-
+
2874001 = 13221077
BaseRepresentation
bin1010111101101010010001
312102000101111
422331222101
51213432001
6141333321
733300004
oct12755221
95360344
102874001
111693309
12b67241
137981c0
1454b53b
153bb851
hex2bda91

2874001 has 4 divisors (see below), whose sum is σ = 3095092. Its totient is φ = 2652912.

The previous prime is 2873999. The next prime is 2874007. The reversal of 2874001 is 1004782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 2099601 = 880^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874001 - 21 = 2873999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2874007) 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, 110526 + ... + 110551.

It is an arithmetic number, because the mean of its divisors is an integer number (773773).

22874001 is an apocalyptic number.

It is an amenable number.

2874001 is a deficient number, since it is larger than the sum of its proper divisors (221091).

2874001 is a wasteful number, since it uses less digits than its factorization.

2874001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221090.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2874001 is about 1695.2878811577. The cubic root of 2874001 is about 142.1768773854.

Adding to 2874001 its reverse (1004782), we get a palindrome (3878783).

The spelling of 2874001 in words is "two million, eight hundred seventy-four thousand, one".

Divisors: 1 13 221077 2874001