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9072130 = 25907213
BaseRepresentation
bin100010100110…
…111000000010
3122001220121211
4202212320002
54310302010
6522240334
7140053234
oct42467002
918056554
109072130
115137031
1230560aa
131b58432
1412c2254
15be308a
hex8a6e02

9072130 has 8 divisors (see below), whose sum is σ = 16329852. Its totient is φ = 3628848.

The previous prime is 9072127. The next prime is 9072191. The reversal of 9072130 is 312709.

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 410881 = 2943^2 + 641^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453597 + ... + 453616.

Almost surely, 29072130 is an apocalyptic number.

9072130 is a deficient number, since it is larger than the sum of its proper divisors (7257722).

9072130 is a wasteful number, since it uses less digits than its factorization.

9072130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907220.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 9072130 is about 3011.9976759619. The cubic root of 9072130 is about 208.5625949042.

Adding to 9072130 its reverse (312709), we get a palindrome (9384839).

The spelling of 9072130 in words is "nine million, seventy-two thousand, one hundred thirty".

Divisors: 1 2 5 10 907213 1814426 4536065 9072130