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2868894 = 232722769
BaseRepresentation
bin1010111100011010011110
312101202101100
422330122132
51213301034
6141253530
733246060
oct12743236
95352340
102868894
11168a496
12b642a6
13795a92
14549730
153ba099
hex2bc69e

2868894 has 24 divisors (see below), whose sum is σ = 7104240. Its totient is φ = 819648.

The previous prime is 2868871. The next prime is 2868919. The reversal of 2868894 is 4988682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11259 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (296010).

22868894 is an apocalyptic number.

2868894 is an abundant number, since it is smaller than the sum of its proper divisors (4235346).

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

2868894 is a wasteful number, since it uses less digits than its factorization.

2868894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22784 (or 22781 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2868894 is about 1693.7809775765. The cubic root of 2868894 is about 142.0926129956.

It can be divided in two parts, 28688 and 94, that added together give a palindrome (28782).

The spelling of 2868894 in words is "two million, eight hundred sixty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 22769 45538 68307 136614 159383 204921 318766 409842 478149 956298 1434447 2868894