Base | Representation |
---|---|
bin | 1100001110000… |
… | …01101001101100 |
3 | 21010212210112000 |
4 | 12013001221230 |
5 | 202220130233 |
6 | 14101012300 |
7 | 2353164411 |
oct | 607015154 |
9 | 233783460 |
10 | 102505068 |
11 | 52952636 |
12 | 2a3b4090 |
13 | 1830cab3 |
14 | d884108 |
15 | 8eebd13 |
hex | 61c1a6c |
102505068 has 24 divisors (see below), whose sum is σ = 265754160. Its totient is φ = 34168320.
The previous prime is 102505063. The next prime is 102505103. The reversal of 102505068 is 860505201.
102505068 is a `hidden beast` number, since 102 + 50 + 506 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (102505061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474453 + ... + 474668.
It is an arithmetic number, because the mean of its divisors is an integer number (11073090).
Almost surely, 2102505068 is an apocalyptic number.
102505068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
102505068 is an abundant number, since it is smaller than the sum of its proper divisors (163249092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102505068 is a wasteful number, since it uses less digits than its factorization.
102505068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949134 (or 949126 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 102505068 is about 10124.4786532443. The cubic root of 102505068 is about 468.0027941976.
The spelling of 102505068 in words is "one hundred two million, five hundred five thousand, sixty-eight".
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