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2287506 = 231329327
BaseRepresentation
bin1000101110011110010010
311022012212110
420232132102
51041200011
6121010150
725305054
oct10563622
94265773
102287506
111322701
12923956
13621270
144378d4
15302ba6
hex22e792

2287506 has 16 divisors (see below), whose sum is σ = 4927104. Its totient is φ = 703824.

The previous prime is 2287501. The next prime is 2287507. The reversal of 2287506 is 6057822.

2287506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2287501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14586 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (307944).

22287506 is an apocalyptic number.

2287506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2287506 is an abundant number, since it is smaller than the sum of its proper divisors (2639598).

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

2287506 is a wasteful number, since it uses less digits than its factorization.

2287506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29345.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2287506 is about 1512.4503297629. The cubic root of 2287506 is about 131.7611613145.

The spelling of 2287506 in words is "two million, two hundred eighty-seven thousand, five hundred six".

Divisors: 1 2 3 6 13 26 39 78 29327 58654 87981 175962 381251 762502 1143753 2287506