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11430861 = 313293099
BaseRepresentation
bin101011100110…
…101111001101
3210111202012020
4223212233031
510411241421
61045000353
7166106061
oct53465715
923452166
1011430861
1164a81a2
1239b30b9
1324a2c30
141737aa1
15100bdc6
hexae6bcd

11430861 has 8 divisors (see below), whose sum is σ = 16413600. Its totient is φ = 7034352.

The previous prime is 11430829. The next prime is 11430863. The reversal of 11430861 is 16803411.

11430861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11430861 - 25 = 11430829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430863) 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, 146511 + ... + 146588.

It is an arithmetic number, because the mean of its divisors is an integer number (2051700).

Almost surely, 211430861 is an apocalyptic number.

It is an amenable number.

11430861 is a deficient number, since it is larger than the sum of its proper divisors (4982739).

11430861 is a wasteful number, since it uses less digits than its factorization.

11430861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293115.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11430861 is about 3380.9556341366. The cubic root of 11430861 is about 225.2646170633.

The spelling of 11430861 in words is "eleven million, four hundred thirty thousand, eight hundred sixty-one".

Divisors: 1 3 13 39 293099 879297 3810287 11430861