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11830938 = 2371012789
BaseRepresentation
bin101101001000…
…011010011010
3211021001222220
4231020122122
511012042223
61101324510
7202363350
oct55103232
924231886
1011830938
116750839
123b66736
1325b3072
1417dd7d0
15108a6e3
hexb4869a

11830938 has 32 divisors (see below), whose sum is σ = 27319680. Its totient is φ = 3345600.

The previous prime is 11830921. The next prime is 11830967. The reversal of 11830938 is 83903811.

It is a junction number, because it is equal to n+sod(n) for n = 11830899 and 11830908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2848 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (853740).

Almost surely, 211830938 is an apocalyptic number.

11830938 is an abundant number, since it is smaller than the sum of its proper divisors (15488742).

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

11830938 is a wasteful number, since it uses less digits than its factorization.

11830938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 11830938 is about 3439.6130596333. The cubic root of 11830938 is about 227.8626057415.

The spelling of 11830938 in words is "eleven million, eight hundred thirty thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 101 202 303 606 707 1414 2121 2789 4242 5578 8367 16734 19523 39046 58569 117138 281689 563378 845067 1690134 1971823 3943646 5915469 11830938