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9072830 = 2513101691
BaseRepresentation
bin100010100111…
…000010111110
3122001221120202
4202213002332
54310312310
6522243502
7140055254
oct42470276
918057522
109072830
115137608
123056592
131b58850
1412c25d4
15be33a5
hex8a70be

9072830 has 32 divisors (see below), whose sum is σ = 17787168. Its totient is φ = 3312000.

The previous prime is 9072827. The next prime is 9072859. The reversal of 9072830 is 382709.

9072830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9072793 and 9072802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12785 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (555849).

Almost surely, 29072830 is an apocalyptic number.

9072830 is a deficient number, since it is larger than the sum of its proper divisors (8714338).

9072830 is a wasteful number, since it uses less digits than its factorization.

9072830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 9072830 is about 3012.1138756694. The cubic root of 9072830 is about 208.5679589536.

The spelling of 9072830 in words is "nine million, seventy-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 101 130 202 505 691 1010 1313 1382 2626 3455 6565 6910 8983 13130 17966 44915 69791 89830 139582 348955 697910 907283 1814566 4536415 9072830