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14953087 = 82318169
BaseRepresentation
bin111001000010…
…101001111111
31001010200210001
4321002221333
512311444322
61252255131
7241046002
oct71025177
931120701
1014953087
118493526
1250114a7
1331371a6
141db3539
1514a5827
hexe42a7f

14953087 has 4 divisors (see below), whose sum is σ = 14972080. Its totient is φ = 14934096.

The previous prime is 14953079. The next prime is 14953091. The reversal of 14953087 is 78035941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78035941 = 233392867.

It is a cyclic number.

It is not a de Polignac number, because 14953087 - 23 = 14953079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14953007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8262 + ... + 9907.

It is an arithmetic number, because the mean of its divisors is an integer number (3743020).

Almost surely, 214953087 is an apocalyptic number.

14953087 is a deficient number, since it is larger than the sum of its proper divisors (18993).

14953087 is an equidigital number, since it uses as much as digits as its factorization.

14953087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 14953087 is about 3866.9221610992. The cubic root of 14953087 is about 246.3638335822.

The spelling of 14953087 in words is "fourteen million, nine hundred fifty-three thousand, eighty-seven".

Divisors: 1 823 18169 14953087