Search a number
-
+
12902288 = 24732351
BaseRepresentation
bin110001001101…
…111110010000
3220021111121112
4301031332100
511300333123
61140312452
7214445000
oct61157620
926244545
1012902288
117312753
1243a2728
1328998b9
1419dc000
1511ecd78
hexc4df90

12902288 has 40 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 5527200.

The previous prime is 12902251. The next prime is 12902317. The reversal of 12902288 is 88220921.

12902288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4313 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 212902288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12902288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14582400).

12902288 is an abundant number, since it is smaller than the sum of its proper divisors (16262512).

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

12902288 is an equidigital number, since it uses as much as digits as its factorization.

12902288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12902288 is about 3591.9755010300. The cubic root of 12902288 is about 234.5428747624.

The spelling of 12902288 in words is "twelve million, nine hundred two thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 343 392 686 784 1372 2351 2744 4702 5488 9404 16457 18808 32914 37616 65828 115199 131656 230398 263312 460796 806393 921592 1612786 1843184 3225572 6451144 12902288