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130650449 = 234755667
BaseRepresentation
bin1111100100110…
…01000101010001
3100002211201201112
413302121011101
5231421303244
620544143105
73144340046
oct762310521
9302751645
10130650449
1167826686
1237907a95
13210b5877
14134cd1cd
15b70b39e
hex7c99151

130650449 has 4 divisors (see below), whose sum is σ = 130708464. Its totient is φ = 130592436.

The previous prime is 130650431. The next prime is 130650451. The reversal of 130650449 is 944056031.

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: 944056031 = 1891149921.

It is a cyclic number.

It is not a de Polignac number, because 130650449 - 212 = 130646353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130650749) 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 3 ways as a sum of consecutive naturals, for example, 25487 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (32677116).

Almost surely, 2130650449 is an apocalyptic number.

It is an amenable number.

130650449 is a deficient number, since it is larger than the sum of its proper divisors (58015).

130650449 is an equidigital number, since it uses as much as digits as its factorization.

130650449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58014.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 130650449 is about 11430.2427358302. The cubic root of 130650449 is about 507.4231794227.

The spelling of 130650449 in words is "one hundred thirty million, six hundred fifty thousand, four hundred forty-nine".

Divisors: 1 2347 55667 130650449