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14531997 = 337912781
BaseRepresentation
bin110111011011…
…110110011101
31000100022011010
4313123312131
512210010442
61235245433
7234343224
oct67336635
930308133
1014531997
118226117
124a49879
13301a61c
141d03cbb
151420b9c
hexddbd9d

14531997 has 8 divisors (see below), whose sum is σ = 19428640. Its totient is φ = 9661680.

The previous prime is 14531899. The next prime is 14532019. The reversal of 14531997 is 79913541.

It is a happy number.

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

It is not a de Polignac number, because 14531997 - 219 = 14007709 is a prime.

It is a super-2 number, since 2×145319972 = 422357873616018, 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 (14531197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254 + ... + 7527.

It is an arithmetic number, because the mean of its divisors is an integer number (2428580).

Almost surely, 214531997 is an apocalyptic number.

It is an amenable number.

14531997 is a deficient number, since it is larger than the sum of its proper divisors (4896643).

14531997 is a wasteful number, since it uses less digits than its factorization.

14531997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13163.

The product of its digits is 34020, while the sum is 39.

The square root of 14531997 is about 3812.0856496149. The cubic root of 14531997 is about 244.0291833320.

The spelling of 14531997 in words is "fourteen million, five hundred thirty-one thousand, nine hundred ninety-seven".

Divisors: 1 3 379 1137 12781 38343 4843999 14531997