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13750669 = 294311027
BaseRepresentation
bin110100011101…
…000110001101
3221212121101001
4310131012031
512010010134
61210420301
7224610262
oct64350615
927777331
1013750669
117842099
124731691
132b05aba
141b7d269
151319414
hexd1d18d

13750669 has 8 divisors (see below), whose sum is σ = 14556960. Its totient is φ = 12966576.

The previous prime is 13750657. The next prime is 13750697. The reversal of 13750669 is 96605731.

13750669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13750669 - 29 = 13750157 is a prime.

It is a super-2 number, since 2×137506692 = 378161795895122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13750609) 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, 4267 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (1819620).

Almost surely, 213750669 is an apocalyptic number.

It is an amenable number.

13750669 is a deficient number, since it is larger than the sum of its proper divisors (806291).

13750669 is a wasteful number, since it uses less digits than its factorization.

13750669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 13750669 is about 3708.1894503922. The cubic root of 13750669 is about 239.5748781960.

The spelling of 13750669 in words is "thirteen million, seven hundred fifty thousand, six hundred sixty-nine".

Divisors: 1 29 43 1247 11027 319783 474161 13750669