Base | Representation |
---|---|
bin | 1100001011111… |
… | …10101111110110 |
3 | 21010100212121110 |
4 | 12011332233312 |
5 | 202132343110 |
6 | 14051055450 |
7 | 2350643436 |
oct | 605765766 |
9 | 233325543 |
10 | 102231030 |
11 | 52785760 |
12 | 2a2a1586 |
13 | 18245145 |
14 | d8122c6 |
15 | 8e95a20 |
hex | 617ebf6 |
102231030 has 64 divisors (see below), whose sum is σ = 283419648. Its totient is φ = 23324160.
The previous prime is 102230981. The next prime is 102231049. The reversal of 102231030 is 30132201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102230997 and 102231015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3502 + ... + 14721.
It is an arithmetic number, because the mean of its divisors is an integer number (4428432).
Almost surely, 2102231030 is an apocalyptic number.
102231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102231030 is an abundant number, since it is smaller than the sum of its proper divisors (181188618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102231030 is a wasteful number, since it uses less digits than its factorization.
102231030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18261.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 102231030 is about 10110.9361584376. The cubic root of 102231030 is about 467.5853676547.
Adding to 102231030 its reverse (30132201), we get a palindrome (132363231).
It can be divided in two parts, 102 and 231030, that added together give a palindrome (231132).
The spelling of 102231030 in words is "one hundred two million, two hundred thirty-one thousand, thirty".
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