Base | Representation |
---|---|
bin | 1100001100110… |
… | …10001000111110 |
3 | 21010120120112000 |
4 | 12012122020332 |
5 | 202144440410 |
6 | 14053323130 |
7 | 2351621523 |
oct | 606321076 |
9 | 233516460 |
10 | 102343230 |
11 | 52851a90 |
12 | 2a3364a6 |
13 | 18284232 |
14 | d84114a |
15 | 8eb8dc0 |
hex | 619a23e |
102343230 has 128 divisors (see below), whose sum is σ = 315394560. Its totient is φ = 23339520.
The previous prime is 102343223. The next prime is 102343231. The reversal of 102343230 is 32343201.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102343231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49477 + ... + 51503.
It is an arithmetic number, because the mean of its divisors is an integer number (2464020).
Almost surely, 2102343230 is an apocalyptic number.
102343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102343230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157697280).
102343230 is an abundant number, since it is smaller than the sum of its proper divisors (213051330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102343230 is a wasteful number, since it uses less digits than its factorization.
102343230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2071 (or 2065 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 102343230 is about 10116.4830845507. The cubic root of 102343230 is about 467.7563656285.
Adding to 102343230 its reverse (32343201), we get a palindrome (134686431).
It can be divided in two parts, 1023 and 43230, that added together give a triangular number (44253 = T297).
The spelling of 102343230 in words is "one hundred two million, three hundred forty-three thousand, two hundred thirty".
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