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14942147 = 111358377
BaseRepresentation
bin111000111111…
…111111000011
31001010010202212
4320333333003
512311122042
61252132335
7241002053
oct70777703
931103685
1014942147
118486290
1250070ab
13313220c
141dad563
1514a2482
hexe3ffc3

14942147 has 4 divisors (see below), whose sum is σ = 16300536. Its totient is φ = 13583760.

The previous prime is 14942141. The next prime is 14942149. The reversal of 14942147 is 74124941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74124941 = 116738631.

It is a cyclic number.

It is not a de Polignac number, because 14942147 - 210 = 14941123 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (14942141) 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 3 ways as a sum of consecutive naturals, for example, 679178 + ... + 679199.

It is an arithmetic number, because the mean of its divisors is an integer number (4075134).

Almost surely, 214942147 is an apocalyptic number.

14942147 is a deficient number, since it is larger than the sum of its proper divisors (1358389).

14942147 is a wasteful number, since it uses less digits than its factorization.

14942147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358388.

The product of its digits is 8064, while the sum is 32.

The square root of 14942147 is about 3865.5073405699. The cubic root of 14942147 is about 246.3037372311.

The spelling of 14942147 in words is "fourteen million, nine hundred forty-two thousand, one hundred forty-seven".

Divisors: 1 11 1358377 14942147