Base | Representation |
---|---|
bin | 1100001101011… |
… | …11011000011100 |
3 | 21010201222212110 |
4 | 12012233120130 |
5 | 202210231421 |
6 | 14055234020 |
7 | 2352433266 |
oct | 606573034 |
9 | 233658773 |
10 | 102430236 |
11 | 52901397 |
12 | 2a378910 |
13 | 182b4a0c |
14 | d864b36 |
15 | 8ed4a76 |
hex | 61af61c |
102430236 has 48 divisors (see below), whose sum is σ = 253967616. Its totient is φ = 32020224.
The previous prime is 102430187. The next prime is 102430241. The reversal of 102430236 is 632034201.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70065 + ... + 71511.
It is an arithmetic number, because the mean of its divisors is an integer number (5290992).
Almost surely, 2102430236 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102430236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126983808).
102430236 is an abundant number, since it is smaller than the sum of its proper divisors (151537380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102430236 is a wasteful number, since it uses less digits than its factorization.
102430236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 102430236 is about 10120.7823808241. The cubic root of 102430236 is about 467.8888807703. Note that the first 5 decimals are identical.
Adding to 102430236 its reverse (632034201), we get a palindrome (734464437).
The spelling of 102430236 in words is "one hundred two million, four hundred thirty thousand, two hundred thirty-six".
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