Search a number
-
+
890057 = 7432957
BaseRepresentation
bin11011001010011001001
31200012221002
43121103021
5211440212
631024345
710364630
oct3312311
91605832
10890057
11558793
1236b0b5
1325217c
14192517
15128ac2
hexd94c9

890057 has 8 divisors (see below), whose sum is σ = 1041216. Its totient is φ = 744912.

The previous prime is 890053. The next prime is 890063. The reversal of 890057 is 750098.

It is a happy number.

890057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 890057 - 22 = 890053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (130152).

2890057 is an apocalyptic number.

It is an amenable number.

890057 is a deficient number, since it is larger than the sum of its proper divisors (151159).

890057 is a wasteful number, since it uses less digits than its factorization.

890057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 890057 is about 943.4283226616. The cubic root of 890057 is about 96.1920706117.

The spelling of 890057 in words is "eight hundred ninety thousand, fifty-seven".

Divisors: 1 7 43 301 2957 20699 127151 890057