Search a number
-
+
2690273 = 3186783
BaseRepresentation
bin1010010000110011100001
312001200100202
422100303201
51142042043
6133354545
731603235
oct12206341
95050322
102690273
111578273
12a98a55
137326a1
145005c5
153821b8
hex290ce1

2690273 has 4 divisors (see below), whose sum is σ = 2777088. Its totient is φ = 2603460.

The previous prime is 2690263. The next prime is 2690293. The reversal of 2690273 is 3720962.

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 2690273 - 210 = 2689249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690263) 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, 43361 + ... + 43422.

It is an arithmetic number, because the mean of its divisors is an integer number (694272).

22690273 is an apocalyptic number.

It is an amenable number.

2690273 is a deficient number, since it is larger than the sum of its proper divisors (86815).

2690273 is an equidigital number, since it uses as much as digits as its factorization.

2690273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86814.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2690273 is about 1640.2051700931. The cubic root of 2690273 is about 139.0802462645.

The spelling of 2690273 in words is "two million, six hundred ninety thousand, two hundred seventy-three".

Divisors: 1 31 86783 2690273