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14978141 = 22765983
BaseRepresentation
bin111001001000…
…110001011101
31001011222010222
4321020301131
512313300031
61253011125
7241212023
oct71106135
931158128
1014978141
118500332
125023aa5
133145709
141dbc713
1514ace7b
hexe48c5d

14978141 has 4 divisors (see below), whose sum is σ = 15044352. Its totient is φ = 14911932.

The previous prime is 14978111. The next prime is 14978209. The reversal of 14978141 is 14187941.

14978141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14978141 - 214 = 14961757 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 (14978111) 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, 32765 + ... + 33218.

It is an arithmetic number, because the mean of its divisors is an integer number (3761088).

Almost surely, 214978141 is an apocalyptic number.

It is an amenable number.

14978141 is a deficient number, since it is larger than the sum of its proper divisors (66211).

14978141 is an equidigital number, since it uses as much as digits as its factorization.

14978141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66210.

The product of its digits is 8064, while the sum is 35.

The square root of 14978141 is about 3870.1603325961. The cubic root of 14978141 is about 246.5013515719.

The spelling of 14978141 in words is "fourteen million, nine hundred seventy-eight thousand, one hundred forty-one".

Divisors: 1 227 65983 14978141