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2886312 = 2331113292
BaseRepresentation
bin1011000000101010101000
312102122021110
423000222220
51214330222
6141510320
733350622
oct13005250
95378243
102886312
1116a1590
12b723a0
137a09a0
14551c12
153c030c
hex2c0aa8

2886312 has 96 divisors (see below), whose sum is σ = 8779680. Its totient is φ = 779520.

The previous prime is 2886287. The next prime is 2886319. The reversal of 2886312 is 2136882.

It is a super-2 number, since 2×28863122 = 16661593922688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2886312.

It is not an unprimeable number, because it can be changed into a prime (2886319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99514 + ... + 99542.

It is an arithmetic number, because the mean of its divisors is an integer number (91455).

22886312 is an apocalyptic number.

2886312 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 2886312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389840).

2886312 is an abundant number, since it is smaller than the sum of its proper divisors (5893368).

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

2886312 is a wasteful number, since it uses less digits than its factorization.

2886312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 58 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 2886312 is about 1698.9149478417. The cubic root of 2886312 is about 142.3795966643.

The spelling of 2886312 in words is "two million, eight hundred eighty-six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 29 33 39 44 52 58 66 78 87 88 104 116 132 143 156 174 232 264 286 312 319 348 377 429 572 638 696 754 841 858 957 1131 1144 1276 1508 1682 1716 1914 2262 2523 2552 3016 3364 3432 3828 4147 4524 5046 6728 7656 8294 9048 9251 10092 10933 12441 16588 18502 20184 21866 24882 27753 32799 33176 37004 43732 49764 55506 65598 74008 87464 99528 111012 120263 131196 222024 240526 262392 360789 481052 721578 962104 1443156 2886312