Base | Representation |
---|---|
bin | 1100001101001… |
… | …10110001011011 |
3 | 21010200012111100 |
4 | 12012212301123 |
5 | 202203114341 |
6 | 14054402443 |
7 | 2352225420 |
oct | 606466133 |
9 | 233605440 |
10 | 102394971 |
11 | 52887948 |
12 | 2a360423 |
13 | 182a1953 |
14 | d855d47 |
15 | 8ec93b6 |
hex | 61a6c5b |
102394971 has 48 divisors (see below), whose sum is σ = 179562240. Its totient is φ = 54924480.
The previous prime is 102394967. The next prime is 102394979. The reversal of 102394971 is 179493201.
It is not a de Polignac number, because 102394971 - 22 = 102394967 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102394979) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156481 + ... + 157133.
It is an arithmetic number, because the mean of its divisors is an integer number (3740880).
Almost surely, 2102394971 is an apocalyptic number.
102394971 is a deficient number, since it is larger than the sum of its proper divisors (77167269).
102394971 is a wasteful number, since it uses less digits than its factorization.
102394971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 816 (or 813 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 102394971 is about 10119.0400236386. The cubic root of 102394971 is about 467.8351791943.
The spelling of 102394971 in words is "one hundred two million, three hundred ninety-four thousand, nine hundred seventy-one".
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