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11863231 = 103149773
BaseRepresentation
bin101101010000…
…010010111111
3211022201021221
4231100102333
511014110411
61102134211
7202556452
oct55202277
924281257
1011863231
116773026
123b81367
1325c4983
14180b499
151095071
hexb504bf

11863231 has 8 divisors (see below), whose sum is σ = 12074400. Its totient is φ = 11654112.

The previous prime is 11863213. The next prime is 11863237. The reversal of 11863231 is 13236811.

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

It is a cyclic number.

It is not a de Polignac number, because 11863231 - 221 = 9766079 is a prime.

It is a super-2 number, since 2×118632312 = 281472499518722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11863196 and 11863205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863237) by changing a digit.

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, 14961 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (1509300).

Almost surely, 211863231 is an apocalyptic number.

11863231 is a deficient number, since it is larger than the sum of its proper divisors (211169).

11863231 is a wasteful number, since it uses less digits than its factorization.

11863231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its digits is 864, while the sum is 25.

The square root of 11863231 is about 3444.3041387195. The cubic root of 11863231 is about 228.0697373113.

The spelling of 11863231 in words is "eleven million, eight hundred sixty-three thousand, two hundred thirty-one".

Divisors: 1 103 149 773 15347 79619 115177 11863231