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13481473 = 232692179
BaseRepresentation
bin110011011011…
…011000000001
3221100221002211
4303123120001
511422401343
61200542121
7222406405
oct63333001
927327084
1013481473
117678915
124621941
132a40405
141b0d105
1512b479d
hexcdb601

13481473 has 8 divisors (see below), whose sum is σ = 14126400. Its totient is φ = 12841488.

The previous prime is 13481443. The next prime is 13481477. The reversal of 13481473 is 37418431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13481473 is a prime.

It is a super-2 number, since 2×134814732 = 363500228499458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098 + ... + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 213481473 is an apocalyptic number.

It is an amenable number.

13481473 is a deficient number, since it is larger than the sum of its proper divisors (644927).

13481473 is a wasteful number, since it uses less digits than its factorization.

13481473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its digits is 8064, while the sum is 31.

The square root of 13481473 is about 3671.7125432147. The cubic root of 13481473 is about 238.0011828202.

The spelling of 13481473 in words is "thirteen million, four hundred eighty-one thousand, four hundred seventy-three".

Divisors: 1 23 269 2179 6187 50117 586151 13481473