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2868992 = 2871601
BaseRepresentation
bin1010111100011100000000
312101202111222
422330130000
51213301432
6141254212
733246260
oct12743400
95352458
102868992
11168a575
12b64368
13795b39
145497a0
153ba112
hex2bc700

2868992 has 36 divisors (see below), whose sum is σ = 6548976. Its totient is φ = 1228800.

The previous prime is 2868977. The next prime is 2869001. The reversal of 2868992 is 2998682.

It is a super-2 number, since 2×28689922 = 16462230192128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (181916).

22868992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274488).

2868992 is an abundant number, since it is smaller than the sum of its proper divisors (3679984).

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

2868992 is an equidigital number, since it uses as much as digits as its factorization.

2868992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1610 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 2868992 is about 1693.8099066896. The cubic root of 2868992 is about 142.0942309150.

The spelling of 2868992 in words is "two million, eight hundred sixty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1601 1792 3202 6404 11207 12808 22414 25616 44828 51232 89656 102464 179312 204928 358624 409856 717248 1434496 2868992