Base | Representation |
---|---|
bin | 1100001101011… |
… | …11100100101110 |
3 | 21010202000221120 |
4 | 12012233210232 |
5 | 202210243042 |
6 | 14055241410 |
7 | 2352435501 |
oct | 606574456 |
9 | 233660846 |
10 | 102431022 |
11 | 52901a41 |
12 | 2a379266 |
13 | 182b5195 |
14 | d865138 |
15 | 8ed4dec |
hex | 61af92e |
102431022 has 32 divisors (see below), whose sum is σ = 211133472. Its totient is φ = 33105024.
The previous prime is 102431009. The next prime is 102431023. The reversal of 102431022 is 220134201.
It is a super-2 number, since 2×1024310222 = 20984228535928968, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102430992 and 102431010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102431023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82188 + ... + 83424.
It is an arithmetic number, because the mean of its divisors is an integer number (6597921).
Almost surely, 2102431022 is an apocalyptic number.
102431022 is an abundant number, since it is smaller than the sum of its proper divisors (108702450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102431022 is a wasteful number, since it uses less digits than its factorization.
102431022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1652.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 102431022 is about 10120.8212117397. The cubic root of 102431022 is about 467.8900775514.
Adding to 102431022 its reverse (220134201), we get a palindrome (322565223).
The spelling of 102431022 in words is "one hundred two million, four hundred thirty-one thousand, twenty-two".
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