Base | Representation |
---|---|
bin | 110101010010… |
… | …101011011110 |
3 | 222021202102200 |
4 | 311102223132 |
5 | 12034021032 |
6 | 1215232330 |
7 | 226513164 |
oct | 65225336 |
9 | 28252380 |
10 | 13970142 |
11 | 7981a7a |
12 | 48186a6 |
13 | 2b81974 |
14 | 1bd9234 |
15 | 135e47c |
hex | d52ade |
13970142 has 12 divisors (see below), whose sum is σ = 30268680. Its totient is φ = 4656708.
The previous prime is 13970137. The next prime is 13970147. The reversal of 13970142 is 24107931.
It is an interprime number because it is at equal distance from previous prime (13970137) and next prime (13970147).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13970147) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388042 + ... + 388077.
It is an arithmetic number, because the mean of its divisors is an integer number (2522390).
Almost surely, 213970142 is an apocalyptic number.
13970142 is an abundant number, since it is smaller than the sum of its proper divisors (16298538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13970142 is a wasteful number, since it uses less digits than its factorization.
13970142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776127 (or 776124 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 13970142 is about 3737.6653140697. The cubic root of 13970142 is about 240.8427663066.
The spelling of 13970142 in words is "thirteen million, nine hundred seventy thousand, one hundred forty-two".
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