Base | Representation |
---|---|
bin | 110101011000… |
… | …001111100010 |
3 | 222022220200200 |
4 | 311120033202 |
5 | 12040233210 |
6 | 1215530030 |
7 | 226636500 |
oct | 65301742 |
9 | 28286620 |
10 | 13992930 |
11 | 7998106 |
12 | 4829916 |
13 | 2b8c153 |
14 | 1c03670 |
15 | 13660c0 |
hex | d583e2 |
13992930 has 144 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 3011904.
The previous prime is 13992907. The next prime is 13992941. The reversal of 13992930 is 3929931.
13992930 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.
13992930 is strictly pandigital in base 8.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83707 + ... + 83873.
It is an arithmetic number, because the mean of its divisors is an integer number (311220).
Almost surely, 213992930 is an apocalyptic number.
13992930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13992930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22407840).
13992930 is an abundant number, since it is smaller than the sum of its proper divisors (30822750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13992930 is a wasteful number, since it uses less digits than its factorization.
13992930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213 (or 203 counting only the distinct ones).
The product of its (nonzero) digits is 13122, while the sum is 36.
The square root of 13992930 is about 3740.7124989766. The cubic root of 13992930 is about 240.9736488581.
The spelling of 13992930 in words is "thirteen million, nine hundred ninety-two thousand, nine hundred thirty".
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