[go: up one dir, main page]

Search a number
-
+
32828917 = 112984447
BaseRepresentation
bin111110100111…
…0110111110101
32021202212210211
41331032313311
531401011132
63131345421
7546020062
oct175166765
967685724
1032828917
1117592940
12abb2271
136a557c4
144507c69
152d37147
hex1f4edf5

32828917 has 4 divisors (see below), whose sum is σ = 35813376. Its totient is φ = 29844460.

The previous prime is 32828897. The next prime is 32828927. The reversal of 32828917 is 71982823.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71982823 = 116543893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32828917 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32828917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32828927) 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, 1492213 + ... + 1492234.

It is an arithmetic number, because the mean of its divisors is an integer number (8953344).

Almost surely, 232828917 is an apocalyptic number.

It is an amenable number.

32828917 is a deficient number, since it is larger than the sum of its proper divisors (2984459).

32828917 is a wasteful number, since it uses less digits than its factorization.

32828917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984458.

The product of its digits is 48384, while the sum is 40.

The square root of 32828917 is about 5729.6524327397. The cubic root of 32828917 is about 320.1981747718.

The spelling of 32828917 in words is "thirty-two million, eight hundred twenty-eight thousand, nine hundred seventeen".

Divisors: 1 11 2984447 32828917