Base | Representation |
---|---|
bin | 1111100011111… |
… | …10101101011001 |
3 | 100002122020112122 |
4 | 13301332231121 |
5 | 231404324200 |
6 | 20541551025 |
7 | 3143410106 |
oct | 761765531 |
9 | 302566478 |
10 | 130542425 |
11 | 67762502 |
12 | 37875475 |
13 | 21078650 |
14 | 134a1aad |
15 | b6d9385 |
hex | 7c7eb59 |
130542425 has 12 divisors (see below), whose sum is σ = 174324780. Its totient is φ = 96400320.
The previous prime is 130542413. The next prime is 130542437. The reversal of 130542425 is 524245031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (130542413) and next prime (130542437).
It can be written as a sum of positive squares in 6 ways, for example, as 30162064 + 100380361 = 5492^2 + 10019^2 .
It is not a de Polignac number, because 130542425 - 24 = 130542409 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130542394 and 130542403.
It is a congruent number.
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, 200510 + ... + 201159.
It is an arithmetic number, because the mean of its divisors is an integer number (14527065).
Almost surely, 2130542425 is an apocalyptic number.
It is an amenable number.
130542425 is a deficient number, since it is larger than the sum of its proper divisors (43782355).
130542425 is a wasteful number, since it uses less digits than its factorization.
130542425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401692 (or 401687 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 130542425 is about 11425.5163997082. The cubic root of 130542425 is about 507.2832921742.
Adding to 130542425 its reverse (524245031), we get a palindrome (654787456).
The spelling of 130542425 in words is "one hundred thirty million, five hundred forty-two thousand, four hundred twenty-five".
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