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13994474 = 213538249
BaseRepresentation
bin110101011000…
…100111101010
3222022222210212
4311120213222
512040310344
61215541122
7226644134
oct65304752
928288725
1013994474
11799928a
12482a7a2
132b8ca70
141c04054
15136679e
hexd589ea

13994474 has 8 divisors (see below), whose sum is σ = 22606500. Its totient is φ = 6458976.

The previous prime is 13994447. The next prime is 13994483. The reversal of 13994474 is 47449931.

It can be written as a sum of positive squares in 2 ways, for example, as 10843849 + 3150625 = 3293^2 + 1775^2 .

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

It is a plaindrome in base 15.

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, 269099 + ... + 269150.

Almost surely, 213994474 is an apocalyptic number.

13994474 is a deficient number, since it is larger than the sum of its proper divisors (8612026).

13994474 is a wasteful number, since it uses less digits than its factorization.

13994474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538264.

The product of its digits is 108864, while the sum is 41.

The square root of 13994474 is about 3740.9188710797. The cubic root of 13994474 is about 240.9825116583.

The spelling of 13994474 in words is "thirteen million, nine hundred ninety-four thousand, four hundred seventy-four".

Divisors: 1 2 13 26 538249 1076498 6997237 13994474