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12198608 = 241940127
BaseRepresentation
bin101110100010…
…001011010000
3211221202100022
4232202023100
511110323413
61113243012
7205454312
oct56421320
924852308
1012198608
116981aa4
124103468
1326b1516
1418977b2
15110e608
hexba22d0

12198608 has 20 divisors (see below), whose sum is σ = 24879360. Its totient is φ = 5778144.

The previous prime is 12198583. The next prime is 12198611. The reversal of 12198608 is 80689121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19760 + ... + 20367.

It is an arithmetic number, because the mean of its divisors is an integer number (1243968).

Almost surely, 212198608 is an apocalyptic number.

It is an amenable number.

12198608 is an abundant number, since it is smaller than the sum of its proper divisors (12680752).

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

12198608 is a wasteful number, since it uses less digits than its factorization.

12198608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40154 (or 40148 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12198608 is about 3492.6505694100. The cubic root of 12198608 is about 230.1989960209.

The spelling of 12198608 in words is "twelve million, one hundred ninety-eight thousand, six hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 40127 80254 160508 321016 642032 762413 1524826 3049652 6099304 12198608