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11305969 = 172192971
BaseRepresentation
bin101011001000…
…001111110001
3210021101212121
4223020033301
510343242334
61042154241
7165046003
oct53101761
923241777
1011305969
116422384
123952981
13245b12c
141704373
15ed4db4
hexac83f1

11305969 has 24 divisors (see below), whose sum is σ = 13262400. Its totient is φ = 9596160.

The previous prime is 11305963. The next prime is 11305981. The reversal of 11305969 is 96950311.

11305969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11305969 - 27 = 11305841 is a prime.

It is a super-2 number, since 2×113059692 = 255649870057922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159204 + ... + 159274.

It is an arithmetic number, because the mean of its divisors is an integer number (552600).

Almost surely, 211305969 is an apocalyptic number.

11305969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11305969 is a deficient number, since it is larger than the sum of its proper divisors (1956431).

11305969 is a wasteful number, since it uses less digits than its factorization.

11305969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 11305969 is about 3362.4349807840. The cubic root of 11305969 is about 224.4412076145.

The spelling of 11305969 in words is "eleven million, three hundred five thousand, nine hundred sixty-nine".

Divisors: 1 17 19 29 71 289 323 493 551 1207 1349 2059 5491 8381 9367 20519 22933 35003 39121 159239 389861 595051 665057 11305969