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9130730 = 257130439
BaseRepresentation
bin100010110101…
…001011101010
3122011220000012
4202311023222
54314140410
6523411522
7140416130
oct42651352
918156005
109130730
115177064
123083ba2
131b78ccb
1412d9750
15c05605
hex8b52ea

9130730 has 16 divisors (see below), whose sum is σ = 18783360. Its totient is φ = 3130512.

The previous prime is 9130729. The next prime is 9130733. The reversal of 9130730 is 370319.

9130730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9130696 and 9130705.

It is not an unprimeable number, because it can be changed into a prime (9130733) 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, 65150 + ... + 65289.

It is an arithmetic number, because the mean of its divisors is an integer number (1173960).

Almost surely, 29130730 is an apocalyptic number.

9130730 is an abundant number, since it is smaller than the sum of its proper divisors (9652630).

9130730 is a wasteful number, since it uses less digits than its factorization.

9130730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130453.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 9130730 is about 3021.7097809022. The cubic root of 9130730 is about 209.0106906003.

The spelling of 9130730 in words is "nine million, one hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 130439 260878 652195 913073 1304390 1826146 4565365 9130730