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2272494 = 23761887
BaseRepresentation
bin1000101010110011101110
311021110021110
420222303232
51040204434
6120412450
725213230
oct10526356
94243243
102272494
1113123a4
12917126
13617493
14432250
152ed4e9
hex22acee

2272494 has 32 divisors (see below), whose sum is σ = 5285376. Its totient is φ = 637920.

The previous prime is 2272493. The next prime is 2272499. The reversal of 2272494 is 4942722.

It is a d-powerful number, because it can be written as 2 + 217 + 77 + 219 + 4 + 96 + 49 .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (165168).

22272494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642688).

2272494 is an abundant number, since it is smaller than the sum of its proper divisors (3012882).

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

2272494 is a wasteful number, since it uses less digits than its factorization.

2272494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its digits is 8064, while the sum is 30.

The square root of 2272494 is about 1507.4793530924. The cubic root of 2272494 is about 131.4722963032.

The spelling of 2272494 in words is "two million, two hundred seventy-two thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 887 1281 1774 2562 2661 5322 6209 12418 18627 37254 54107 108214 162321 324642 378749 757498 1136247 2272494