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13331000 = 235313331
BaseRepresentation
bin110010110110…
…101000111000
3221002021200202
4302312220320
511403043000
61153421332
7221211614
oct62665070
927067622
1013331000
117585861
12456a848
1329b9a87
141ab0344
151284dd5
hexcb6a38

13331000 has 32 divisors (see below), whose sum is σ = 31196880. Its totient is φ = 5332000.

The previous prime is 13330987. The next prime is 13331011. The reversal of 13331000 is 13331.

13331000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133310002 = 355431122000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5666 + ... + 7665.

Almost surely, 213331000 is an apocalyptic number.

13331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331000 is an abundant number, since it is smaller than the sum of its proper divisors (17865880).

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

13331000 is a wasteful number, since it uses less digits than its factorization.

13331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352 (or 13338 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13331000 is about 3651.1641978963. The cubic root of 13331000 is about 237.1123871295.

Adding to 13331000 its reverse (13331), we get a palindrome (13344331).

13331000 divided by its reverse (13331) gives a cube (1000 = 103).

The spelling of 13331000 in words is "thirteen million, three hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 13331 26662 53324 66655 106648 133310 266620 333275 533240 666550 1333100 1666375 2666200 3332750 6665500 13331000