Base | Representation |
---|---|
bin | 1100001101011… |
… | …11011101000010 |
3 | 21010202000021100 |
4 | 12012233131002 |
5 | 202210234110 |
6 | 14055235230 |
7 | 2352434166 |
oct | 606573502 |
9 | 233660240 |
10 | 102430530 |
11 | 52901634 |
12 | 2a378b16 |
13 | 182b4ba7 |
14 | d864ca6 |
15 | 8ed4bc0 |
hex | 61af742 |
102430530 has 24 divisors (see below), whose sum is σ = 266319612. Its totient is φ = 27314784.
The previous prime is 102430519. The next prime is 102430547. The reversal of 102430530 is 35034201.
102430530 is a `hidden beast` number, since 102 + 4 + 30 + 530 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 91757241 + 10673289 = 9579^2 + 3267^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568969 + ... + 569148.
Almost surely, 2102430530 is an apocalyptic number.
102430530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102430530 is an abundant number, since it is smaller than the sum of its proper divisors (163889082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102430530 is a wasteful number, since it uses less digits than its factorization.
102430530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138130 (or 1138127 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 102430530 is about 10120.7969053825. The cubic root of 102430530 is about 467.8893284220.
Adding to 102430530 its reverse (35034201), we get a palindrome (137464731).
The spelling of 102430530 in words is "one hundred two million, four hundred thirty thousand, five hundred thirty".
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