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130254303 = 343418101
BaseRepresentation
bin1111100001110…
…00010111011111
3100002002121022110
413300320113133
5231321114203
620531445103
73141100104
oct760702737
9302077273
10130254303
1167585a93
1237756793
1320ca746a
1413428aab
15b67dd03
hex7c385df

130254303 has 4 divisors (see below), whose sum is σ = 173672408. Its totient is φ = 86836200.

The previous prime is 130254301. The next prime is 130254317. The reversal of 130254303 is 303452031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303452031 = 3101150677.

It is not a de Polignac number, because 130254303 - 21 = 130254301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130254303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130254301) 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, 21709048 + ... + 21709053.

It is an arithmetic number, because the mean of its divisors is an integer number (43418102).

Almost surely, 2130254303 is an apocalyptic number.

130254303 is a deficient number, since it is larger than the sum of its proper divisors (43418105).

130254303 is an equidigital number, since it uses as much as digits as its factorization.

130254303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43418104.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 130254303 is about 11412.9007268091. The cubic root of 130254303 is about 506.9098065967.

The spelling of 130254303 in words is "one hundred thirty million, two hundred fifty-four thousand, three hundred three".

Divisors: 1 3 43418101 130254303