Search a number
-
+
71314657 = 195963617
BaseRepresentation
bin1000100000000…
…10110011100001
311222012011022121
410100002303201
5121224032112
611024304241
71524110311
oct420026341
9158164277
1071314657
1137289837
121ba72081
1311a0c02b
149685441
1563da407
hex4402ce1

71314657 has 8 divisors (see below), whose sum is σ = 76341600. Its totient is φ = 66415104.

The previous prime is 71314637. The next prime is 71314669. The reversal of 71314657 is 75641317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71314657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71314637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30688 + ... + 32929.

It is an arithmetic number, because the mean of its divisors is an integer number (9542700).

Almost surely, 271314657 is an apocalyptic number.

It is an amenable number.

71314657 is a deficient number, since it is larger than the sum of its proper divisors (5026943).

71314657 is a wasteful number, since it uses less digits than its factorization.

71314657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63695.

The product of its digits is 17640, while the sum is 34.

The square root of 71314657 is about 8444.8005897120. The cubic root of 71314657 is about 414.6925811558.

The spelling of 71314657 in words is "seventy-one million, three hundred fourteen thousand, six hundred fifty-seven".

Divisors: 1 19 59 1121 63617 1208723 3753403 71314657