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13201488 = 243330559
BaseRepresentation
bin110010010111…
…000001010000
3220211201001000
4302113001100
511334421423
61150542000
7220132206
oct62270120
926751030
1013201488
1174a7523
124507900
132972b41
141a79076
15125b843
hexc97050

13201488 has 40 divisors (see below), whose sum is σ = 37894400. Its totient is φ = 4400352.

The previous prime is 13201483. The next prime is 13201499. The reversal of 13201488 is 88410231.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201483) 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, 14848 + ... + 15711.

It is an arithmetic number, because the mean of its divisors is an integer number (947360).

Almost surely, 213201488 is an apocalyptic number.

13201488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13201488 is an abundant number, since it is smaller than the sum of its proper divisors (24692912).

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

13201488 is a wasteful number, since it uses less digits than its factorization.

13201488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576 (or 30564 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 13201488 is about 3633.3851984066. The cubic root of 13201488 is about 236.3420301570.

It can be divided in two parts, 13201 and 488, that added together give a square (13689 = 1172).

The spelling of 13201488 in words is "thirteen million, two hundred one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 30559 61118 91677 122236 183354 244472 275031 366708 488944 550062 733416 825093 1100124 1466832 1650186 2200248 3300372 4400496 6600744 13201488