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2286872 = 23797421
BaseRepresentation
bin1000101110010100011000
311022011222222
420232110120
51041134442
6121003212
725303160
oct10562430
94264888
102286872
111322185
12923508
13620ba3
144375a0
153028d2
hex22e518

2286872 has 32 divisors (see below), whose sum is σ = 4962720. Its totient is φ = 967680.

The previous prime is 2286847. The next prime is 2286877. The reversal of 2286872 is 2786822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5222 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (155085).

22286872 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 2286872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481360).

2286872 is an abundant number, since it is smaller than the sum of its proper divisors (2675848).

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

2286872 is a wasteful number, since it uses less digits than its factorization.

2286872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 527 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2286872 is about 1512.2407215784. The cubic root of 2286872 is about 131.7489873144.

The spelling of 2286872 in words is "two million, two hundred eighty-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 421 679 776 842 1358 1684 2716 2947 3368 5432 5894 11788 23576 40837 81674 163348 285859 326696 571718 1143436 2286872