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2272746 = 237531021
BaseRepresentation
bin1000101010110111101010
311021110121210
420222313222
51040211441
6120413550
725214040
oct10526752
94243553
102272746
111312603
129172b6
13617628
14432390
152ed616
hex22adea

2272746 has 32 divisors (see below), whose sum is σ = 5298048. Its totient is φ = 636480.

The previous prime is 2272733. The next prime is 2272757. The reversal of 2272746 is 6472722.

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, 1716 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (165564).

22272746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649024).

2272746 is an abundant number, since it is smaller than the sum of its proper divisors (3025302).

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

2272746 is a wasteful number, since it uses less digits than its factorization.

2272746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its digits is 9408, while the sum is 30.

The square root of 2272746 is about 1507.5629340097. The cubic root of 2272746 is about 131.4771558384.

The spelling of 2272746 in words is "two million, two hundred seventy-two thousand, seven hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 318 371 742 1021 1113 2042 2226 3063 6126 7147 14294 21441 42882 54113 108226 162339 324678 378791 757582 1136373 2272746