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130645533 = 343548511
BaseRepresentation
bin1111100100101…
…11111000011101
3100002211110222110
413302113320131
5231421124113
620544104233
73144316524
oct762277035
9302743873
10130645533
1167822a17
1237905079
13210b3565
14134cb4bb
15b709bc3
hex7c97e1d

130645533 has 4 divisors (see below), whose sum is σ = 174194048. Its totient is φ = 87097020.

The previous prime is 130645531. The next prime is 130645601. The reversal of 130645533 is 335546031.

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.

It is not a de Polignac number, because 130645533 - 21 = 130645531 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 130645533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130645531) 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 3 ways as a sum of consecutive naturals, for example, 21774253 + ... + 21774258.

It is an arithmetic number, because the mean of its divisors is an integer number (43548512).

Almost surely, 2130645533 is an apocalyptic number.

It is an amenable number.

130645533 is a deficient number, since it is larger than the sum of its proper divisors (43548515).

130645533 is an equidigital number, since it uses as much as digits as its factorization.

130645533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43548514.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 130645533 is about 11430.0276902552. The cubic root of 130645533 is about 507.4168150521.

The spelling of 130645533 in words is "one hundred thirty million, six hundred forty-five thousand, five hundred thirty-three".

Divisors: 1 3 43548511 130645533