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104631212 = 22743347
BaseRepresentation
bin1100011110010…
…00101110101100
321021212211001002
412033020232230
5203241144322
614214335432
72410231160
oct617105654
9237784032
10104631212
1154074a84
122b05a578
13188a577a
14dc78ca0
1592bbc92
hex63c8bac

104631212 has 48 divisors (see below), whose sum is σ = 218803200. Its totient is φ = 42867216.

The previous prime is 104631199. The next prime is 104631223. The reversal of 104631212 is 212136401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226173 + ... + 2226219.

It is an arithmetic number, because the mean of its divisors is an integer number (4558400).

Almost surely, 2104631212 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 104631212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109401600).

104631212 is an abundant number, since it is smaller than the sum of its proper divisors (114171988).

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

104631212 is an frugal number, since it uses more digits than its factorization.

104631212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 104631212 is about 10228.9399255250. The cubic root of 104631212 is about 471.2164234838.

Adding to 104631212 its reverse (212136401), we get a palindrome (316767613).

The spelling of 104631212 in words is "one hundred four million, six hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 43 47 86 94 172 188 301 329 602 658 1204 1316 1849 2021 3698 4042 7396 8084 12943 14147 25886 28294 51772 56588 79507 86903 159014 173806 318028 347612 556549 608321 1113098 1216642 2226196 2433284 3736829 7473658 14947316 26157803 52315606 104631212