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12238056 = 2332315483
BaseRepresentation
bin101110101011…
…110011101000
3212000202110100
4232223303220
511113104211
61114145400
7206010315
oct56536350
925022410
1012238056
1169a96a6
124122260
1326c646c
1418a7d0c
15111b156
hexbabce8

12238056 has 48 divisors (see below), whose sum is σ = 34220160. Its totient is φ = 3947040.

The previous prime is 12238043. The next prime is 12238067. The reversal of 12238056 is 65083221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (712920).

Almost surely, 212238056 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 12238056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17110080).

12238056 is an abundant number, since it is smaller than the sum of its proper divisors (21982104).

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

12238056 is a wasteful number, since it uses less digits than its factorization.

12238056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12238056 is about 3498.2932981670. The cubic root of 12238056 is about 230.4468690819.

The spelling of 12238056 in words is "twelve million, two hundred thirty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 5483 10966 16449 21932 32898 43864 49347 65796 98694 131592 169973 197388 339946 394776 509919 679892 1019838 1359784 1529757 2039676 3059514 4079352 6119028 12238056