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13493488 = 247731091
BaseRepresentation
bin110011011110…
…010011110000
3221101112120211
4303132103300
511423242423
61201113504
7222456421
oct63362360
927345524
1013493488
117686948
124628894
132a45a18
141b13648
1512b810d
hexcde4f0

13493488 has 20 divisors (see below), whose sum is σ = 26201448. Its totient is φ = 6731840.

The previous prime is 13493453. The next prime is 13493521. The reversal of 13493488 is 88439431.

It is a super-2 number, since 2×134934882 = 364148436812288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13493488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11823 + ... + 12913.

Almost surely, 213493488 is an apocalyptic number.

It is an amenable number.

13493488 is a deficient number, since it is larger than the sum of its proper divisors (12707960).

13493488 is a wasteful number, since it uses less digits than its factorization.

13493488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1866 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 13493488 is about 3673.3483363275. The cubic root of 13493488 is about 238.0718658759.

The spelling of 13493488 in words is "thirteen million, four hundred ninety-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 773 1091 1546 2182 3092 4364 6184 8728 12368 17456 843343 1686686 3373372 6746744 13493488