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13749693 = 318732447
BaseRepresentation
bin110100011100…
…110110111101
3221212120000220
4310130312331
512004442233
61210411553
7224604366
oct64346675
927776026
1013749693
117841391
124730bb9
132b05519
141b7cb6d
151318eb3
hexd1cdbd

13749693 has 8 divisors (see below), whose sum is σ = 18350208. Its totient is φ = 9157824.

The previous prime is 13749691. The next prime is 13749733. The reversal of 13749693 is 39694731.

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

It is not a de Polignac number, because 13749693 - 21 = 13749691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13749691) 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, 4396 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (2293776).

Almost surely, 213749693 is an apocalyptic number.

It is an amenable number.

13749693 is a deficient number, since it is larger than the sum of its proper divisors (4600515).

13749693 is a wasteful number, since it uses less digits than its factorization.

13749693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323.

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

The square root of 13749693 is about 3708.0578474452. The cubic root of 13749693 is about 239.5692098509.

The spelling of 13749693 in words is "thirteen million, seven hundred forty-nine thousand, six hundred ninety-three".

Divisors: 1 3 1873 2447 5619 7341 4583231 13749693