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11893217 = 71725879
BaseRepresentation
bin101101010111…
…100111100001
3211101020102112
4231113213201
511021040332
61102525105
7203043050
oct55274741
924336375
1011893217
116793606
123b96795
13260550b
141818397
15109ddb2
hexb579e1

11893217 has 12 divisors (see below), whose sum is σ = 14441280. Its totient is φ = 9592896.

The previous prime is 11893187. The next prime is 11893223. The reversal of 11893217 is 71239811.

It is not a de Polignac number, because 11893217 - 28 = 11892961 is a prime.

It is a super-2 number, since 2×118932172 = 282897221218178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11893247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (1203440).

Almost surely, 211893217 is an apocalyptic number.

11893217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11893217 is a deficient number, since it is larger than the sum of its proper divisors (2548063).

11893217 is an equidigital number, since it uses as much as digits as its factorization.

11893217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920 (or 5903 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 11893217 is about 3448.6543752600. The cubic root of 11893217 is about 228.2617351778.

The spelling of 11893217 in words is "eleven million, eight hundred ninety-three thousand, two hundred seventeen".

Divisors: 1 7 17 119 289 2023 5879 41153 99943 699601 1699031 11893217