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71314147 = 281253787
BaseRepresentation
bin1000100000000…
…10101011100011
311222012010121201
410100002223203
5121224023042
611024302031
71524105652
oct420025343
9158163551
1071314147
1137289413
121ba71917
1311a0ba28
149685199
1563da1b7
hex4402ae3

71314147 has 4 divisors (see below), whose sum is σ = 71568216. Its totient is φ = 71060080.

The previous prime is 71314127. The next prime is 71314151. The reversal of 71314147 is 74141317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71314147 - 211 = 71312099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71314127) 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, 126613 + ... + 127174.

It is an arithmetic number, because the mean of its divisors is an integer number (17892054).

Almost surely, 271314147 is an apocalyptic number.

71314147 is a deficient number, since it is larger than the sum of its proper divisors (254069).

71314147 is a wasteful number, since it uses less digits than its factorization.

71314147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254068.

The product of its digits is 2352, while the sum is 28.

The square root of 71314147 is about 8444.7703935631. The cubic root of 71314147 is about 414.6915926085.

The spelling of 71314147 in words is "seventy-one million, three hundred fourteen thousand, one hundred forty-seven".

Divisors: 1 281 253787 71314147