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2991282 = 237671063
BaseRepresentation
bin1011011010010010110010
312121222021020
423122102302
51231210112
6144040310
734265640
oct13322262
95558236
102991282
111763438
121003096
138096b8
1457c190
153e148c
hex2da4b2

2991282 has 32 divisors (see below), whose sum is σ = 6945792. Its totient is φ = 841104.

The previous prime is 2991277. The next prime is 2991293. The reversal of 2991282 is 2821992.

It is a happy number.

2991282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×29912823 = 80295892107351833304, which contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2283 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (217056).

22991282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2991282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472896).

2991282 is an abundant number, since it is smaller than the sum of its proper divisors (3954510).

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

2991282 is a wasteful number, since it uses less digits than its factorization.

2991282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its digits is 5184, while the sum is 33.

The square root of 2991282 is about 1729.5323067234. The cubic root of 2991282 is about 144.0851155750.

The spelling of 2991282 in words is "two million, nine hundred ninety-one thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1063 1407 2126 2814 3189 6378 7441 14882 22323 44646 71221 142442 213663 427326 498547 997094 1495641 2991282