Base | Representation |
---|---|
bin | 1111100000001… |
… | …00001001101110 |
3 | 100001200201221020 |
4 | 13300010021232 |
5 | 231242243210 |
6 | 20523115010 |
7 | 3136216422 |
oct | 760041156 |
9 | 301621836 |
10 | 130040430 |
11 | 6744a333 |
12 | 37672a66 |
13 | 20c31000 |
14 | 133b0b82 |
15 | b63a770 |
hex | 7c0426e |
130040430 has 64 divisors (see below), whose sum is σ = 338264640. Its totient is φ = 31993728.
The previous prime is 130040423. The next prime is 130040453. The reversal of 130040430 is 34040031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64924 + ... + 66896.
It is an arithmetic number, because the mean of its divisors is an integer number (5285385).
Almost surely, 2130040430 is an apocalyptic number.
130040430 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 130040430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169132320).
130040430 is an abundant number, since it is smaller than the sum of its proper divisors (208224210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130040430 is a wasteful number, since it uses less digits than its factorization.
130040430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2022 (or 1996 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 130040430 is about 11403.5270859502. The cubic root of 130040430 is about 506.6322118960.
Adding to 130040430 its reverse (34040031), we get a palindrome (164080461).
The spelling of 130040430 in words is "one hundred thirty million, forty thousand, four hundred thirty".
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