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130481541 = 3247308467
BaseRepresentation
bin1111100011011…
…11110110000101
3100002112011000200
413301233312011
5231400402131
620540401113
73143034441
oct761576605
9302464020
10130481541
1167720793
1237846199
1321056a18
1413487821
15b6c62e6
hex7c6fd85

130481541 has 12 divisors (see below), whose sum is σ = 192484032. Its totient is φ = 85136616.

The previous prime is 130481539. The next prime is 130481543. The reversal of 130481541 is 145184031.

It is a happy number.

130481541 is a `hidden beast` number, since 130 + 481 + 54 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (130481539) and next prime (130481543).

It is not a de Polignac number, because 130481541 - 21 = 130481539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130481543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153811 + ... + 154656.

It is an arithmetic number, because the mean of its divisors is an integer number (16040336).

Almost surely, 2130481541 is an apocalyptic number.

It is an amenable number.

130481541 is a deficient number, since it is larger than the sum of its proper divisors (62002491).

130481541 is a wasteful number, since it uses less digits than its factorization.

130481541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308520 (or 308517 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 130481541 is about 11422.8517017424. The cubic root of 130481541 is about 507.2044155464.

It can be divided in two parts, 130 and 481541, that added together give a triangular number (481671 = T981).

The spelling of 130481541 in words is "one hundred thirty million, four hundred eighty-one thousand, five hundred forty-one".

Divisors: 1 3 9 47 141 423 308467 925401 2776203 14497949 43493847 130481541