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11312951 = 131994373
BaseRepresentation
bin101011001001…
…111100110111
3210021202110012
4223021330313
510344003301
61042250435
7165105236
oct53117467
923252405
1011312951
116427651
123956a1b
132461370
141706b1d
15ed6ebb
hexac9f37

11312951 has 8 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 10387872.

The previous prime is 11312911. The next prime is 11312963. The reversal of 11312951 is 15921311.

11312951 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 a cyclic number.

It is not a de Polignac number, because 11312951 - 26 = 11312887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312911) 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, 401 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 211312951 is an apocalyptic number.

11312951 is a deficient number, since it is larger than the sum of its proper divisors (934249).

11312951 is a wasteful number, since it uses less digits than its factorization.

11312951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585.

The product of its digits is 270, while the sum is 23.

The square root of 11312951 is about 3363.4730562322. The cubic root of 11312951 is about 224.4873993222.

The spelling of 11312951 in words is "eleven million, three hundred twelve thousand, nine hundred fifty-one".

Divisors: 1 13 199 2587 4373 56849 870227 11312951