Base | Representation |
---|---|
bin | 1100001010101… |
… | …10010011111001 |
3 | 21010001110102001 |
4 | 12011112103321 |
5 | 202112043101 |
6 | 14043341001 |
7 | 2346353524 |
oct | 605262371 |
9 | 233043361 |
10 | 102065401 |
11 | 52682279 |
12 | 2a221761 |
13 | 181b7939 |
14 | d7abbbb |
15 | 8e61901 |
hex | 61564f9 |
102065401 has 4 divisors (see below), whose sum is σ = 102121600. Its totient is φ = 102009204.
The previous prime is 102065387. The next prime is 102065429. The reversal of 102065401 is 104560201.
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: 104560201 = 271 ⋅385831.
It is a cyclic number.
It is not a de Polignac number, because 102065401 - 215 = 102032633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102068401) 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, 25281 + ... + 29038.
It is an arithmetic number, because the mean of its divisors is an integer number (25530400).
Almost surely, 2102065401 is an apocalyptic number.
It is an amenable number.
102065401 is a deficient number, since it is larger than the sum of its proper divisors (56199).
102065401 is an equidigital number, since it uses as much as digits as its factorization.
102065401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56198.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 102065401 is about 10102.7422514880. The cubic root of 102065401 is about 467.3327126016.
The spelling of 102065401 in words is "one hundred two million, sixty-five thousand, four hundred one".
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