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9130072 = 237223291
BaseRepresentation
bin100010110101…
…000001011000
3122011212002211
4202311001120
54314130242
6523404504
7140414200
oct42650130
918155084
109130072
115176616
123083734
131b78913
1412d9400
15c05317
hex8b5058

9130072 has 24 divisors (see below), whose sum is σ = 19914660. Its totient is φ = 3912720.

The previous prime is 9130067. The next prime is 9130081. The reversal of 9130072 is 2700319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11254 + ... + 12037.

Almost surely, 29130072 is an apocalyptic number.

It is an amenable number.

9130072 is an abundant number, since it is smaller than the sum of its proper divisors (10784588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9130072 is a wasteful number, since it uses less digits than its factorization.

9130072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23311 (or 23300 counting only the distinct ones).

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

The square root of 9130072 is about 3021.6009001852. The cubic root of 9130072 is about 209.0056697408.

The spelling of 9130072 in words is "nine million, one hundred thirty thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 23291 46582 93164 163037 186328 326074 652148 1141259 1304296 2282518 4565036 9130072