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130524241 = 236784701
BaseRepresentation
bin1111100011110…
…10010001010001
3100002121022121011
413301322101101
5231403233431
620541330521
73143303101
oct761722121
9302538534
10130524241
116774a881
1237866a41
13210702a3
1413499201
15b6d3cb1
hex7c7a451

130524241 has 8 divisors (see below), whose sum is σ = 138233664. Its totient is φ = 122984400.

The previous prime is 130524193. The next prime is 130524253. The reversal of 130524241 is 142425031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(130524241) divides (130524241-1)4.

It is a cyclic number.

It is not a de Polignac number, because 130524241 - 213 = 130516049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130522241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40810 + ... + 43891.

It is an arithmetic number, because the mean of its divisors is an integer number (17279208).

Almost surely, 2130524241 is an apocalyptic number.

It is an amenable number.

130524241 is a deficient number, since it is larger than the sum of its proper divisors (7709423).

130524241 is an equidigital number, since it uses as much as digits as its factorization.

130524241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84791.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 130524241 is about 11424.7206092753. The cubic root of 130524241 is about 507.2597369513.

Adding to 130524241 its reverse (142425031), we get a palindrome (272949272).

The spelling of 130524241 in words is "one hundred thirty million, five hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 23 67 1541 84701 1948123 5674967 130524241