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2280742 = 21140371
BaseRepresentation
bin1000101100110100100110
311021212120221
420230310212
51040440432
6120514554
725246252
oct10546446
94255527
102280742
111318612
1291ba5a
1361b169
14435262
15300b97
hex22cd26

2280742 has 4 divisors (see below), whose sum is σ = 3421116. Its totient is φ = 1140370.

The previous prime is 2280709. The next prime is 2280767. The reversal of 2280742 is 2470822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570184 + ... + 570187.

It is an arithmetic number, because the mean of its divisors is an integer number (855279).

22280742 is an apocalyptic number.

2280742 is a deficient number, since it is larger than the sum of its proper divisors (1140374).

2280742 is a wasteful number, since it uses less digits than its factorization.

2280742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140373.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2280742 is about 1510.2125678195. The cubic root of 2280742 is about 131.6311634946.

The spelling of 2280742 in words is "two million, two hundred eighty thousand, seven hundred forty-two".

Divisors: 1 2 1140371 2280742