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2280738 = 23463821
BaseRepresentation
bin1000101100110100100010
311021212120210
420230310202
51040440423
6120514550
725246245
oct10546442
94255523
102280738
111318609
1291ba56
1361b165
1443525c
15300b93
hex22cd22

2280738 has 16 divisors (see below), whose sum is σ = 4576896. Its totient is φ = 757680.

The previous prime is 2280709. The next prime is 2280767. The reversal of 2280738 is 8370822.

It is an interprime number because it is at equal distance from previous prime (2280709) and next prime (2280767).

It is a d-powerful number, because it can be written as 28 + 216 + 82 + 0 + 76 + 34 + 87 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (286056).

22280738 is an apocalyptic number.

2280738 is an abundant number, since it is smaller than the sum of its proper divisors (2296158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2280738 is a wasteful number, since it uses less digits than its factorization.

2280738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2280738 is about 1510.2112435020. The cubic root of 2280738 is about 131.6310865423.

The spelling of 2280738 in words is "two million, two hundred eighty thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 463 821 926 1389 1642 2463 2778 4926 380123 760246 1140369 2280738