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130041545 = 541677937
BaseRepresentation
bin1111100000001…
…00011011001001
3100001200210110112
413300010123021
5231242312140
620523124105
73136222604
oct760043311
9301623415
10130041545
1167450157
1237673635
1320c3167a
14133b133b
15b63ac65
hex7c046c9

130041545 has 16 divisors (see below), whose sum is σ = 160262928. Its totient is φ = 101237760.

The previous prime is 130041521. The next prime is 130041547. The reversal of 130041545 is 545140031.

It can be written as a sum of positive squares in 8 ways, for example, as 9634816 + 120406729 = 3104^2 + 10973^2 .

It is not a de Polignac number, because 130041545 - 218 = 129779401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130041545.

It is not an unprimeable number, because it can be changed into a prime (130041547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138317 + ... + 139253.

It is an arithmetic number, because the mean of its divisors is an integer number (10016433).

Almost surely, 2130041545 is an apocalyptic number.

It is an amenable number.

130041545 is a deficient number, since it is larger than the sum of its proper divisors (30221383).

130041545 is an equidigital number, since it uses as much as digits as its factorization.

130041545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 130041545 is about 11403.5759742284. The cubic root of 130041545 is about 506.6336598901.

Adding to 130041545 its reverse (545140031), we get a palindrome (675181576).

The spelling of 130041545 in words is "one hundred thirty million, forty-one thousand, five hundred forty-five".

Divisors: 1 5 41 205 677 937 3385 4685 27757 38417 138785 192085 634349 3171745 26008309 130041545