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11983257 = 3211139311
BaseRepresentation
bin101101101101…
…100110011001
3211112210221100
4231231212121
511031431012
61104502013
7203566416
oct55554631
924483840
1011983257
116845220
12401a909
1326374b0
14183d10d
1510ba8dc
hexb6d999

11983257 has 24 divisors (see below), whose sum is σ = 20337408. Its totient is φ = 6703200.

The previous prime is 11983241. The next prime is 11983259. The reversal of 11983257 is 75238911.

It is not a de Polignac number, because 11983257 - 24 = 11983241 is a prime.

It is a super-3 number, since 3×119832573 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11983259) 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, 3369 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (847392).

Almost surely, 211983257 is an apocalyptic number.

It is an amenable number.

11983257 is a deficient number, since it is larger than the sum of its proper divisors (8354151).

11983257 is a wasteful number, since it uses less digits than its factorization.

11983257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341 (or 9338 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 11983257 is about 3461.6841277043. The cubic root of 11983257 is about 228.8363214482.

The spelling of 11983257 in words is "eleven million, nine hundred eighty-three thousand, two hundred fifty-seven".

Divisors: 1 3 9 11 13 33 39 99 117 143 429 1287 9311 27933 83799 102421 121043 307263 363129 921789 1089387 1331473 3994419 11983257