Search a number
-
+
2490697 = 11226427
BaseRepresentation
bin1001100000000101001001
311200112121001
421200011021
51114200242
6125215001
730112336
oct11400511
94615531
102490697
111451330
12a01461
136928b1
1448b98d
15342eb7
hex260149

2490697 has 4 divisors (see below), whose sum is σ = 2717136. Its totient is φ = 2264260.

The previous prime is 2490679. The next prime is 2490701. The reversal of 2490697 is 7960942.

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.

It is a cyclic number.

It is not a de Polignac number, because 2490697 - 219 = 1966409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113203 + ... + 113224.

It is an arithmetic number, because the mean of its divisors is an integer number (679284).

22490697 is an apocalyptic number.

It is an amenable number.

2490697 is a deficient number, since it is larger than the sum of its proper divisors (226439).

2490697 is a wasteful number, since it uses less digits than its factorization.

2490697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226438.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2490697 is about 1578.1942212542. The cubic root of 2490697 is about 135.5523233973.

The spelling of 2490697 in words is "two million, four hundred ninety thousand, six hundred ninety-seven".

Divisors: 1 11 226427 2490697