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13993467 = 315433023
BaseRepresentation
bin110101011000…
…010111111011
3222022221102120
4311120113323
512040242332
61215532323
7226641165
oct65302773
928287376
1013993467
117998554
12482a0a3
132b8c477
141c03935
15136632c
hexd585fb

13993467 has 8 divisors (see below), whose sum is σ = 18676224. Its totient is φ = 9319848.

The previous prime is 13993459. The next prime is 13993471. The reversal of 13993467 is 76439931.

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

It is not a de Polignac number, because 13993467 - 23 = 13993459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13993487) 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, 3118 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (2334528).

Almost surely, 213993467 is an apocalyptic number.

13993467 is a deficient number, since it is larger than the sum of its proper divisors (4682757).

13993467 is a wasteful number, since it uses less digits than its factorization.

13993467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its digits is 122472, while the sum is 42.

The square root of 13993467 is about 3740.7842760576. The cubic root of 13993467 is about 240.9767313956.

The spelling of 13993467 in words is "thirteen million, nine hundred ninety-three thousand, four hundred sixty-seven".

Divisors: 1 3 1543 3023 4629 9069 4664489 13993467