Search a number
-
+
2272455 = 34531181
BaseRepresentation
bin1000101010110011000111
311021110020000
420222303013
51040204310
6120412343
725213143
oct10526307
94243200
102272455
111312369
129170b3
13617463
14432223
152ed4c0
hex22acc7

2272455 has 40 divisors (see below), whose sum is σ = 4228224. Its totient is φ = 1166400.

The previous prime is 2272453. The next prime is 2272463. The reversal of 2272455 is 5542722.

2272455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2272455 - 21 = 2272453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2272455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12465 + ... + 12645.

22272455 is an apocalyptic number.

2272455 is a deficient number, since it is larger than the sum of its proper divisors (1955769).

2272455 is a wasteful number, since it uses less digits than its factorization.

2272455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2272455 is about 1507.4664175364. The cubic root of 2272455 is about 131.4715442001.

The spelling of 2272455 in words is "two million, two hundred seventy-two thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 27 31 45 81 93 135 155 181 279 405 465 543 837 905 1395 1629 2511 2715 4185 4887 5611 8145 12555 14661 16833 24435 28055 50499 73305 84165 151497 252495 454491 757485 2272455