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2281092 = 2231121571
BaseRepresentation
bin1000101100111010000100
311021220001220
420230322010
51040443332
6120520340
725250262
oct10547204
94256056
102281092
111318900
129200b0
1361b378
14435432
15300d2c
hex22ce84

2281092 has 36 divisors (see below), whose sum is σ = 5854128. Its totient is φ = 690800.

The previous prime is 2281079. The next prime is 2281093. The reversal of 2281092 is 2901822.

It is not an unprimeable number, because it can be changed into a prime (2281093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667 + ... + 2237.

22281092 is an apocalyptic number.

2281092 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 2281092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927064).

2281092 is an abundant number, since it is smaller than the sum of its proper divisors (3573036).

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

2281092 is a wasteful number, since it uses less digits than its factorization.

2281092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2281092 is about 1510.3284411015. The cubic root of 2281092 is about 131.6378964717.

The spelling of 2281092 in words is "two million, two hundred eighty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 1571 3142 4713 6284 9426 17281 18852 34562 51843 69124 103686 190091 207372 380182 570273 760364 1140546 2281092