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130173485 = 5132002669
BaseRepresentation
bin1111100001001…
…00101000101101
3100001221111110012
413300210220231
5231311022420
620530023005
73140312351
oct760445055
9301844405
10130173485
11675302a2
1237717a65
1320c79740
1413407461
15b664dc5
hex7c24a2d

130173485 has 8 divisors (see below), whose sum is σ = 168224280. Its totient is φ = 96128064.

The previous prime is 130173481. The next prime is 130173487. The reversal of 130173485 is 584371031.

It can be written as a sum of positive squares in 4 ways, for example, as 15319396 + 114854089 = 3914^2 + 10717^2 .

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 130173485 - 22 = 130173481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130173481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001270 + ... + 1001399.

It is an arithmetic number, because the mean of its divisors is an integer number (21028035).

Almost surely, 2130173485 is an apocalyptic number.

It is an amenable number.

130173485 is a deficient number, since it is larger than the sum of its proper divisors (38050795).

130173485 is a wasteful number, since it uses less digits than its factorization.

130173485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002687.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 130173485 is about 11409.3595350484. The cubic root of 130173485 is about 506.8049452814.

The spelling of 130173485 in words is "one hundred thirty million, one hundred seventy-three thousand, four hundred eighty-five".

Divisors: 1 5 13 65 2002669 10013345 26034697 130173485