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13487441 = 114572683
BaseRepresentation
bin110011011100…
…110101010001
3221101020021212
4303130311101
511423044231
61201025505
7222432662
oct63346521
927336255
1013487441
117682350
124625295
132a43046
141b11369
1512b642b
hexcdcd51

13487441 has 8 divisors (see below), whose sum is σ = 14751264. Its totient is φ = 12229920.

The previous prime is 13487437. The next prime is 13487447. The reversal of 13487441 is 14478431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13487441 - 22 = 13487437 is a prime.

It is a super-2 number, since 2×134874412 = 363822129456962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13487398 and 13487407.

It is not an unprimeable number, because it can be changed into a prime (13487447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3686 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (1843908).

Almost surely, 213487441 is an apocalyptic number.

13487441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13487441 is a deficient number, since it is larger than the sum of its proper divisors (1263823).

13487441 is a wasteful number, since it uses less digits than its factorization.

13487441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its digits is 10752, while the sum is 32.

The square root of 13487441 is about 3672.5251530793. The cubic root of 13487441 is about 238.0362972205.

The spelling of 13487441 in words is "thirteen million, four hundred eighty-seven thousand, four hundred forty-one".

Divisors: 1 11 457 2683 5027 29513 1226131 13487441