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130407005 = 531098389
BaseRepresentation
bin1111100010111…
…01101001011101
3100002101100210002
413301131221131
5231341011010
620535024045
73142304231
oct761355135
9302340702
10130407005
116767a793
123780b025
132102bb11
14134685c1
15b6ae1a5
hex7c5da5d

130407005 has 8 divisors (see below), whose sum is σ = 156557400. Its totient is φ = 104279616.

The previous prime is 130406993. The next prime is 130407007. The reversal of 130407005 is 500704031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15531481 + 114875524 = 3941^2 + 10718^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 130407005 - 24 = 130406989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130407007) 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 7 ways as a sum of consecutive naturals, for example, 11351 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (19569675).

Almost surely, 2130407005 is an apocalyptic number.

It is an amenable number.

130407005 is a deficient number, since it is larger than the sum of its proper divisors (26150395).

130407005 is an equidigital number, since it uses as much as digits as its factorization.

130407005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 130407005 is about 11419.5886528368. The cubic root of 130407005 is about 507.1078190244.

The spelling of 130407005 in words is "one hundred thirty million, four hundred seven thousand, five".

Divisors: 1 5 3109 8389 15545 41945 26081401 130407005