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2287365 = 351091399
BaseRepresentation
bin1000101110011100000101
311022012200020
420232130011
51041143430
6121005353
725304463
oct10563405
94265606
102287365
111322593
12923859
13621192
14437833
15302b10
hex22e705

2287365 has 16 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1207872.

The previous prime is 2287343. The next prime is 2287381. The reversal of 2287365 is 5637822.

It is not a de Polignac number, because 2287365 - 26 = 2287301 is a prime.

It is a d-powerful number, because it can be written as 216 + 219 + 82 + 72 + 37 + 68 + 56 .

2287365 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

22287365 is an apocalyptic number.

It is an amenable number.

2287365 is a deficient number, since it is larger than the sum of its proper divisors (1408635).

2287365 is a wasteful number, since it uses less digits than its factorization.

2287365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its digits is 20160, while the sum is 33.

The square root of 2287365 is about 1512.4037159436. The cubic root of 2287365 is about 131.7584540421.

The spelling of 2287365 in words is "two million, two hundred eighty-seven thousand, three hundred sixty-five".

Divisors: 1 3 5 15 109 327 545 1399 1635 4197 6995 20985 152491 457473 762455 2287365