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13112448 = 27334147
BaseRepresentation
bin110010000001…
…010010000000
3220200011220020
4302001102000
511324044243
61145013440
7216311466
oct62012200
926604806
1013112448
117446638
124484280
13294145b
141a54836
151240283
hexc81480

13112448 has 32 divisors (see below), whose sum is σ = 34830960. Its totient is φ = 4370688.

The previous prime is 13112443. The next prime is 13112471. The reversal of 13112448 is 84421131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13112443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16690 + ... + 17457.

Almost surely, 213112448 is an apocalyptic number.

It is an amenable number.

13112448 is an abundant number, since it is smaller than the sum of its proper divisors (21718512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112448 is an equidigital number, since it uses as much as digits as its factorization.

13112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164 (or 34152 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 13112448 is about 3621.1114315911. Note that the first 3 decimals coincide. The cubic root of 13112448 is about 235.8094794832.

Adding to 13112448 its reverse (84421131), we get a palindrome (97533579).

The spelling of 13112448 in words is "thirteen million, one hundred twelve thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 34147 68294 102441 136588 204882 273176 409764 546352 819528 1092704 1639056 2185408 3278112 4370816 6556224 13112448