Base | Representation |
---|---|
bin | 1100001101011… |
… | …01101001011111 |
3 | 21010201122010110 |
4 | 12012231221133 |
5 | 202210020020 |
6 | 14055141103 |
7 | 2352403503 |
oct | 606555137 |
9 | 233648113 |
10 | 102423135 |
11 | 528a7021 |
12 | 2a374793 |
13 | 182b1709 |
14 | d862303 |
15 | 8ed28e0 |
hex | 61ada5f |
102423135 has 16 divisors (see below), whose sum is σ = 164021760. Its totient is φ = 54577440.
The previous prime is 102423127. The next prime is 102423137. The reversal of 102423135 is 531324201.
It is not a de Polignac number, because 102423135 - 23 = 102423127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102423137) 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, 20406 + ... + 24924.
It is an arithmetic number, because the mean of its divisors is an integer number (10251360).
Almost surely, 2102423135 is an apocalyptic number.
102423135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102423135 is a deficient number, since it is larger than the sum of its proper divisors (61598625).
102423135 is a wasteful number, since it uses less digits than its factorization.
102423135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6038.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 102423135 is about 10120.4315619444. The cubic root of 102423135 is about 467.8780683518.
Adding to 102423135 its reverse (531324201), we get a palindrome (633747336).
The spelling of 102423135 in words is "one hundred two million, four hundred twenty-three thousand, one hundred thirty-five".
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