Base | Representation |
---|---|
bin | 1000001000100… |
… | …01100101110100 |
3 | 11202101102021020 |
4 | 10010101211310 |
5 | 114431320432 |
6 | 10434221140 |
7 | 1455640542 |
oct | 404214564 |
9 | 152342236 |
10 | 68229492 |
11 | 35571911 |
12 | 1aa247b0 |
13 | 1119b9a6 |
14 | 90c0d92 |
15 | 5ecb22c |
hex | 4111974 |
68229492 has 12 divisors (see below), whose sum is σ = 159202176. Its totient is φ = 22743160.
The previous prime is 68229487. The next prime is 68229521. The reversal of 68229492 is 29492286.
It is a tau number, because it is divible by the number of its divisors (12).
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, 2842884 + ... + 2842907.
It is an arithmetic number, because the mean of its divisors is an integer number (13266848).
Almost surely, 268229492 is an apocalyptic number.
It is an amenable number.
68229492 is an abundant number, since it is smaller than the sum of its proper divisors (90972684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68229492 is a wasteful number, since it uses less digits than its factorization.
68229492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5685798 (or 5685796 counting only the distinct ones).
The product of its digits is 124416, while the sum is 42.
The square root of 68229492 is about 8260.1145270511. The cubic root of 68229492 is about 408.6241648021.
The spelling of 68229492 in words is "sixty-eight million, two hundred twenty-nine thousand, four hundred ninety-two".
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