Search a number
-
+
71114147 = 139675657
BaseRepresentation
bin1000011110100…
…01110110100011
311221210222021022
410033101312203
5121201123042
611020120055
71522313606
oct417216643
9157728238
1071114147
1137162125
121b99602b
131196b9a0
14963233d
15639acd2
hex43d1da3

71114147 has 8 divisors (see below), whose sum is σ = 76677216. Its totient is φ = 65564352.

The previous prime is 71114143. The next prime is 71114159. The reversal of 71114147 is 74141117.

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

It is a cyclic number.

It is not a de Polignac number, because 71114147 - 22 = 71114143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71114143) 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, 9743 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (9584652).

Almost surely, 271114147 is an apocalyptic number.

71114147 is a deficient number, since it is larger than the sum of its proper divisors (5563069).

71114147 is a wasteful number, since it uses less digits than its factorization.

71114147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637.

The product of its digits is 784, while the sum is 26.

The square root of 71114147 is about 8432.9204312622. The cubic root of 71114147 is about 414.3035631345.

The spelling of 71114147 in words is "seventy-one million, one hundred fourteen thousand, one hundred forty-seven".

Divisors: 1 13 967 5657 12571 73541 5470319 71114147