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12049312 = 251134231
BaseRepresentation
bin101101111101…
…101110100000
3211200011112211
4231331232200
511041034222
61110131504
7204263122
oct55755640
924604484
1012049312
11688a910
124050b94
13265b592
141859212
1510d0277
hexb7dba0

12049312 has 24 divisors (see below), whose sum is σ = 25879392. Its totient is φ = 5476800.

The previous prime is 12049273. The next prime is 12049313. The reversal of 12049312 is 21394021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12049313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16764 + ... + 17467.

It is an arithmetic number, because the mean of its divisors is an integer number (1078308).

Almost surely, 212049312 is an apocalyptic number.

It is an amenable number.

12049312 is an abundant number, since it is smaller than the sum of its proper divisors (13830080).

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

12049312 is a wasteful number, since it uses less digits than its factorization.

12049312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34252 (or 34244 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12049312 is about 3471.2118921207. The cubic root of 12049312 is about 229.2560207515.

The spelling of 12049312 in words is "twelve million, forty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 34231 68462 136924 273848 376541 547696 753082 1095392 1506164 3012328 6024656 12049312