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14001731 = 101157883
BaseRepresentation
bin110101011010…
…011001000011
3222100100202122
4311122121003
512041023411
61220034455
7230004242
oct65323103
928310678
1014001731
1179a3787
124832a2b
132b93163
141c06959
1513689db
hexd5a643

14001731 has 8 divisors (see below), whose sum is σ = 14246544. Its totient is φ = 13759200.

The previous prime is 14001721. The next prime is 14001763. The reversal of 14001731 is 13710041.

14001731 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 14001731 - 26 = 14001667 is a prime.

It is a super-2 number, since 2×140017312 = 392096941992722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14001721) 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, 15416 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (1780818).

Almost surely, 214001731 is an apocalyptic number.

14001731 is a deficient number, since it is larger than the sum of its proper divisors (244813).

14001731 is a wasteful number, since it uses less digits than its factorization.

14001731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 14001731 is about 3741.8886942292. Note that the first 3 decimals coincide. The cubic root of 14001731 is about 241.0241592373.

Adding to 14001731 its reverse (13710041), we get a palindrome (27711772).

The spelling of 14001731 in words is "fourteen million, one thousand, seven hundred thirty-one".

Divisors: 1 101 157 883 15857 89183 138631 14001731