Search a number
-
+
12289104 = 243328447
BaseRepresentation
bin101110111000…
…010001010000
3212010100111000
4232320101100
511121222404
61115222000
7206312202
oct56702120
925110430
1012289104
116a33a93
124147900
132713779
1418bc772
15112b339
hexbb8450

12289104 has 40 divisors (see below), whose sum is σ = 35275520. Its totient is φ = 4096224.

The previous prime is 12289021. The next prime is 12289111. The reversal of 12289104 is 40198221.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 13792 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (881888).

Almost surely, 212289104 is an apocalyptic number.

It is an amenable number.

12289104 is an abundant number, since it is smaller than the sum of its proper divisors (22986416).

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

12289104 is a wasteful number, since it uses less digits than its factorization.

12289104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28464 (or 28452 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12289104 is about 3505.5818347316. The cubic root of 12289104 is about 230.7668418214.

The spelling of 12289104 in words is "twelve million, two hundred eighty-nine thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 28447 56894 85341 113788 170682 227576 256023 341364 455152 512046 682728 768069 1024092 1365456 1536138 2048184 3072276 4096368 6144552 12289104