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11931368 = 231491421
BaseRepresentation
bin101101100000…
…111011101000
3211110011202112
4231200323220
511023300433
61103421452
7203262221
oct55407350
924404675
1011931368
11680a239
123bb4888
1326199a7
141828248
1510aa348
hexb60ee8

11931368 has 8 divisors (see below), whose sum is σ = 22371330. Its totient is φ = 5965680.

The previous prime is 11931341. The next prime is 11931371. The reversal of 11931368 is 86313911.

11931368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 2184484 = 3122^2 + 1478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745703 + ... + 745718.

Almost surely, 211931368 is an apocalyptic number.

It is an amenable number.

11931368 is a deficient number, since it is larger than the sum of its proper divisors (10439962).

11931368 is a wasteful number, since it uses less digits than its factorization.

11931368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491427 (or 1491423 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 11931368 is about 3454.1812343883. The cubic root of 11931368 is about 228.5055469352.

The spelling of 11931368 in words is "eleven million, nine hundred thirty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 1491421 2982842 5965684 11931368