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130247223 = 3192285039
BaseRepresentation
bin1111100001101…
…10101000110111
3100002002020121020
413300312220313
5231320402343
620531352223
73141040341
oct760665067
9302066536
10130247223
1167580737
1237752673
1320ca4182
1413426291
15b67bb83
hex7c36a37

130247223 has 8 divisors (see below), whose sum is σ = 182803200. Its totient is φ = 82261368.

The previous prime is 130247203. The next prime is 130247231. The reversal of 130247223 is 322742031.

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

It is not a de Polignac number, because 130247223 - 214 = 130230839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130247193 and 130247202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130247203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142463 + ... + 1142576.

It is an arithmetic number, because the mean of its divisors is an integer number (22850400).

Almost surely, 2130247223 is an apocalyptic number.

130247223 is a deficient number, since it is larger than the sum of its proper divisors (52555977).

130247223 is a wasteful number, since it uses less digits than its factorization.

130247223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285061.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130247223 is about 11412.5905472859. The cubic root of 130247223 is about 506.9006220340.

Adding to 130247223 its reverse (322742031), we get a palindrome (452989254).

The spelling of 130247223 in words is "one hundred thirty million, two hundred forty-seven thousand, two hundred twenty-three".

Divisors: 1 3 19 57 2285039 6855117 43415741 130247223