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2887422 = 231513187
BaseRepresentation
bin1011000000111011111110
312102200210120
423000323332
51214344142
6141515410
733354066
oct13007376
95380716
102887422
1116a23aa
12b72b66
137a1345
145523a6
153c07ec
hex2c0efe

2887422 has 16 divisors (see below), whose sum is σ = 5814912. Its totient is φ = 955800.

The previous prime is 2887363. The next prime is 2887439. The reversal of 2887422 is 2247882.

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 7 ways as a sum of consecutive naturals, for example, 688 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (363432).

22887422 is an apocalyptic number.

2887422 is an abundant number, since it is smaller than the sum of its proper divisors (2927490).

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

2887422 is a wasteful number, since it uses less digits than its factorization.

2887422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its digits is 14336, while the sum is 33.

The square root of 2887422 is about 1699.2415955361. The cubic root of 2887422 is about 142.3978461464.

The spelling of 2887422 in words is "two million, eight hundred eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 151 302 453 906 3187 6374 9561 19122 481237 962474 1443711 2887422