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14450991 = 331155387
BaseRepresentation
bin110111001000…
…000100101111
31000012012000220
4313020010233
512144412431
61233422423
7233555112
oct67100457
930165026
1014450991
118180275
124a0aa13
132cbc7a9
141cc2579
151406b96
hexdc812f

14450991 has 8 divisors (see below), whose sum is σ = 19889664. Its totient is φ = 9323160.

The previous prime is 14450971. The next prime is 14451049. The reversal of 14450991 is 19905441.

14450991 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 not a de Polignac number, because 14450991 - 25 = 14450959 is a prime.

It is a super-2 number, since 2×144509912 = 417662281764162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14450941) 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, 77601 + ... + 77786.

It is an arithmetic number, because the mean of its divisors is an integer number (2486208).

Almost surely, 214450991 is an apocalyptic number.

14450991 is a deficient number, since it is larger than the sum of its proper divisors (5438673).

14450991 is a wasteful number, since it uses less digits than its factorization.

14450991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155421.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 14450991 is about 3801.4459091246. The cubic root of 14450991 is about 243.5749059437.

The spelling of 14450991 in words is "fourteen million, four hundred fifty thousand, nine hundred ninety-one".

Divisors: 1 3 31 93 155387 466161 4816997 14450991