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13272768 = 26337681
BaseRepresentation
bin110010101000…
…011011000000
3220222022211000
4302220123000
511344212033
61152252000
7220550055
oct62503300
926868730
1013272768
117546033
124541000
132999412
141a9702c
151272a13
hexca86c0

13272768 has 56 divisors (see below), whose sum is σ = 39024560. Its totient is φ = 4423680.

The previous prime is 13272761. The next prime is 13272793. The reversal of 13272768 is 86727231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13272761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113 + ... + 5568.

Almost surely, 213272768 is an apocalyptic number.

13272768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13272768 is an abundant number, since it is smaller than the sum of its proper divisors (25751792).

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

13272768 is an equidigital number, since it uses as much as digits as its factorization.

13272768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702 (or 7686 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 13272768 is about 3643.1810276186. The cubic root of 13272768 is about 236.7666345734.

Adding to 13272768 its reverse (86727231), we get a palindrome (99999999).

It can be divided in two parts, 1327 and 2768, that added together give a triangular number (4095 = T90).

The spelling of 13272768 in words is "thirteen million, two hundred seventy-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 7681 15362 23043 30724 46086 61448 69129 92172 122896 138258 184344 207387 245792 276516 368688 414774 491584 553032 737376 829548 1106064 1474752 1659096 2212128 3318192 4424256 6636384 13272768