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2272732 = 2271147157
BaseRepresentation
bin1000101010110111011100
311021110121021
420222313130
51040211412
6120413524
725214020
oct10526734
94243537
102272732
1113125a0
129172a4
13617617
14432380
152ed607
hex22addc

2272732 has 48 divisors (see below), whose sum is σ = 5096448. Its totient is φ = 861120.

The previous prime is 2272729. The next prime is 2272733. The reversal of 2272732 is 2372722.

2272732 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2272732 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2272697 and 2272706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272733) 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, 14398 + ... + 14554.

It is an arithmetic number, because the mean of its divisors is an integer number (106176).

22272732 is an apocalyptic number.

2272732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548224).

2272732 is an abundant number, since it is smaller than the sum of its proper divisors (2823716).

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

2272732 is a wasteful number, since it uses less digits than its factorization.

2272732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 224 counting only the distinct ones).

The product of its digits is 2352, while the sum is 25.

The square root of 2272732 is about 1507.5582907470. The cubic root of 2272732 is about 131.4768858736.

The spelling of 2272732 in words is "two million, two hundred seventy-two thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 47 77 94 154 157 188 308 314 329 517 628 658 1034 1099 1316 1727 2068 2198 3454 3619 4396 6908 7238 7379 12089 14476 14758 24178 29516 48356 51653 81169 103306 162338 206612 324676 568183 1136366 2272732