Search a number
-
+
2531073 = 36113831
BaseRepresentation
bin1001101001111100000001
311202120222110
421221330001
51121443243
6130125533
730341136
oct11517401
94676873
102531073
1114796a6
12a208a9
136a809c
1449c58d
1534ee33
hex269f01

2531073 has 8 divisors (see below), whose sum is σ = 3430336. Its totient is φ = 1659600.

The previous prime is 2531069. The next prime is 2531083. The reversal of 2531073 is 3701352.

It is a happy number.

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

It is not a de Polignac number, because 2531073 - 22 = 2531069 is a prime.

It is a Duffinian number.

2531073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2531083) 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, 6733 + ... + 7098.

It is an arithmetic number, because the mean of its divisors is an integer number (428792).

22531073 is an apocalyptic number.

It is an amenable number.

2531073 is a deficient number, since it is larger than the sum of its proper divisors (899263).

2531073 is a wasteful number, since it uses less digits than its factorization.

2531073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2531073 is about 1590.9346309638. The cubic root of 2531073 is about 136.2808677924.

It can be divided in two parts, 253 and 1073, that added together give a triangular number (1326 = T51).

The spelling of 2531073 in words is "two million, five hundred thirty-one thousand, seventy-three".

Divisors: 1 3 61 183 13831 41493 843691 2531073