Base | Representation |
---|---|
bin | 1100001100100… |
… | …01011001100101 |
3 | 21010111202102001 |
4 | 12012101121211 |
5 | 202142314204 |
6 | 14052445301 |
7 | 2351412250 |
oct | 606213145 |
9 | 233452361 |
10 | 102307429 |
11 | 528280a4 |
12 | 2a319831 |
13 | 18270b53 |
14 | d832097 |
15 | 8ead4a4 |
hex | 6191665 |
102307429 has 4 divisors (see below), whose sum is σ = 116922784. Its totient is φ = 87692076.
The previous prime is 102307421. The next prime is 102307451. The reversal of 102307429 is 924703201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924703201 = 23 ⋅40204487.
It is a cyclic number.
It is not a de Polignac number, because 102307429 - 23 = 102307421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102307397 and 102307406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102307421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7307667 + ... + 7307680.
It is an arithmetic number, because the mean of its divisors is an integer number (29230696).
Almost surely, 2102307429 is an apocalyptic number.
It is an amenable number.
102307429 is a deficient number, since it is larger than the sum of its proper divisors (14615355).
102307429 is an equidigital number, since it uses as much as digits as its factorization.
102307429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14615354.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 102307429 is about 10114.7134907520. The cubic root of 102307429 is about 467.7018168365.
The spelling of 102307429 in words is "one hundred two million, three hundred seven thousand, four hundred twenty-nine".
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