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2280693 = 3760231
BaseRepresentation
bin1000101100110011110101
311021212112010
420230303311
51040440233
6120514433
725246152
oct10546365
94255463
102280693
111318578
1291ba19
1361b12c
14435229
15300b63
hex22ccf5

2280693 has 4 divisors (see below), whose sum is σ = 3040928. Its totient is φ = 1520460.

The previous prime is 2280689. The next prime is 2280709. The reversal of 2280693 is 3960822.

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 not a de Polignac number, because 2280693 - 22 = 2280689 is a prime.

It is a D-number.

It is a Duffinian number.

2280693 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2280693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280623) 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, 380113 + ... + 380118.

It is an arithmetic number, because the mean of its divisors is an integer number (760232).

22280693 is an apocalyptic number.

It is an amenable number.

2280693 is a deficient number, since it is larger than the sum of its proper divisors (760235).

2280693 is an equidigital number, since it uses as much as digits as its factorization.

2280693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760234.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2280693 is about 1510.1963448506. The cubic root of 2280693 is about 131.6302208229.

The spelling of 2280693 in words is "two million, two hundred eighty thousand, six hundred ninety-three".

Divisors: 1 3 760231 2280693