[go: up one dir, main page]

Search a number
-
+
3287869 = 13252913
BaseRepresentation
bin1100100010101100111101
320012001002221
430202230331
51320202434
6154245341
736642424
oct14425475
96161087
103287869
111946252
121126851
138b16b0
146182bb
1544e2b4
hex322b3d

3287869 has 4 divisors (see below), whose sum is σ = 3540796. Its totient is φ = 3034944.

The previous prime is 3287861. The next prime is 3287881. The reversal of 3287869 is 9687823.

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 525625 + 2762244 = 725^2 + 1662^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287869 - 23 = 3287861 is a prime.

It is a super-2 number, since 2×32878692 = 21620165122322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287861) 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, 126444 + ... + 126469.

It is an arithmetic number, because the mean of its divisors is an integer number (885199).

Almost surely, 23287869 is an apocalyptic number.

It is an amenable number.

3287869 is a deficient number, since it is larger than the sum of its proper divisors (252927).

3287869 is a wasteful number, since it uses less digits than its factorization.

3287869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252926.

The product of its digits is 145152, while the sum is 43.

The square root of 3287869 is about 1813.2481904031. The cubic root of 3287869 is about 148.6978999801.

The spelling of 3287869 in words is "three million, two hundred eighty-seven thousand, eight hundred sixty-nine".

Divisors: 1 13 252913 3287869