Base | Representation |
---|---|
bin | 1100001101011… |
… | …11011101010001 |
3 | 21010202000021220 |
4 | 12012233131101 |
5 | 202210234140 |
6 | 14055235253 |
7 | 2352434220 |
oct | 606573521 |
9 | 233660256 |
10 | 102430545 |
11 | 52901648 |
12 | 2a378b29 |
13 | 182b4bb9 |
14 | d864cb7 |
15 | 8ed4bd0 |
hex | 61af751 |
102430545 has 64 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 45416448.
The previous prime is 102430519. The next prime is 102430547. The reversal of 102430545 is 545034201.
It is not a de Polignac number, because 102430545 - 26 = 102430481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102430547) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906409 + ... + 906521.
It is an arithmetic number, because the mean of its divisors is an integer number (3016440).
Almost surely, 2102430545 is an apocalyptic number.
102430545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102430545 is a deficient number, since it is larger than the sum of its proper divisors (90621615).
102430545 is a wasteful number, since it uses less digits than its factorization.
102430545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 102430545 is about 10120.7976464308. The cubic root of 102430545 is about 467.8893512613.
Adding to 102430545 its reverse (545034201), we get a palindrome (647464746).
The spelling of 102430545 in words is "one hundred two million, four hundred thirty thousand, five hundred forty-five".
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