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26430286 = 2101130843
BaseRepresentation
bin110010011010…
…0101101001110
31211201210112111
41210310231032
523231232121
62342254234
7440440141
oct144645516
954653474
1026430286
1113a12513
128a2737a
13562522c
143720058
1524c12e1
hex1934b4e

26430286 has 8 divisors (see below), whose sum is σ = 40038264. Its totient is φ = 13084200.

The previous prime is 26430277. The next prime is 26430301. The reversal of 26430286 is 68203462.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 65220 + ... + 65623.

It is an arithmetic number, because the mean of its divisors is an integer number (5004783).

Almost surely, 226430286 is an apocalyptic number.

26430286 is a deficient number, since it is larger than the sum of its proper divisors (13607978).

26430286 is a wasteful number, since it uses less digits than its factorization.

26430286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130946.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 26430286 is about 5141.0393890730. The cubic root of 26430286 is about 297.8749306251.

The spelling of 26430286 in words is "twenty-six million, four hundred thirty thousand, two hundred eighty-six".

Divisors: 1 2 101 202 130843 261686 13215143 26430286