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130980441 = 343660147
BaseRepresentation
bin1111100111010…
…01101001011001
3100010110111101110
413303221221121
5232012333231
620555210533
73150213114
oct763515131
9303414343
10130980441
1167a315a9
1237a46a49
132119cb27
141357757b
15b774046
hex7ce9a59

130980441 has 4 divisors (see below), whose sum is σ = 174640592. Its totient is φ = 87320292.

The previous prime is 130980403. The next prime is 130980467. The reversal of 130980441 is 144089031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144089031 = 348029677.

It is not a de Polignac number, because 130980441 - 210 = 130979417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130980399 and 130980408.

It is not an unprimeable number, because it can be changed into a prime (130980401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21830071 + ... + 21830076.

It is an arithmetic number, because the mean of its divisors is an integer number (43660148).

Almost surely, 2130980441 is an apocalyptic number.

It is an amenable number.

130980441 is a deficient number, since it is larger than the sum of its proper divisors (43660151).

130980441 is an equidigital number, since it uses as much as digits as its factorization.

130980441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43660150.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 130980441 is about 11444.6686714819. The cubic root of 130980441 is about 507.8500303894.

The spelling of 130980441 in words is "one hundred thirty million, nine hundred eighty thousand, four hundred forty-one".

Divisors: 1 3 43660147 130980441