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71341315 = 514268263
BaseRepresentation
bin1000100000010…
…01010100000011
311222020111212221
410100021110003
5121230410230
611025031511
71524251113
oct420112403
9158214787
1071341315
11372a7871
121ba85597
1311a1b1c6
149691043
1563e327a
hex4409503

71341315 has 4 divisors (see below), whose sum is σ = 85609584. Its totient is φ = 57073048.

The previous prime is 71341313. The next prime is 71341357. The reversal of 71341315 is 51314317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51314317 = 113454109.

It is a cyclic number.

It is not a de Polignac number, because 71341315 - 21 = 71341313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71341315.

It is not an unprimeable number, because it can be changed into a prime (71341313) 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, 7134127 + ... + 7134136.

It is an arithmetic number, because the mean of its divisors is an integer number (21402396).

Almost surely, 271341315 is an apocalyptic number.

71341315 is a deficient number, since it is larger than the sum of its proper divisors (14268269).

71341315 is a wasteful number, since it uses less digits than its factorization.

71341315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14268268.

The product of its digits is 1260, while the sum is 25.

The square root of 71341315 is about 8446.3788098806. The cubic root of 71341315 is about 414.7442465408.

The spelling of 71341315 in words is "seventy-one million, three hundred forty-one thousand, three hundred fifteen".

Divisors: 1 5 14268263 71341315