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13288482 = 233733371
BaseRepresentation
bin110010101100…
…010000100010
3221000010101000
4302230100202
511400212412
61152452430
7220643634
oct62542042
927003330
1013288482
117556919
12454a116
1329a360c
141a9ca54
1512774dc
hexcac422

13288482 has 32 divisors (see below), whose sum is σ = 29943360. Its totient is φ = 4367520.

The previous prime is 13288481. The next prime is 13288487. The reversal of 13288482 is 28488231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13288481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (935730).

Almost surely, 213288482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13288482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14971680).

13288482 is an abundant number, since it is smaller than the sum of its proper divisors (16654878).

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

13288482 is a wasteful number, since it uses less digits than its factorization.

13288482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3449 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 13288482 is about 3645.3370214563. The cubic root of 13288482 is about 236.8600359290.

The spelling of 13288482 in words is "thirteen million, two hundred eighty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 73 146 219 438 657 1314 1971 3371 3942 6742 10113 20226 30339 60678 91017 182034 246083 492166 738249 1476498 2214747 4429494 6644241 13288482