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71233201 = 1334715791
BaseRepresentation
bin1000011111011…
…10111010110001
311222001000120201
410033232322301
5121213430301
611022435201
71523320654
oct417567261
9158030521
1071233201
1137233616
121ba32b01
13119b0c30
14966389b
1563c1201
hex43eeeb1

71233201 has 8 divisors (see below), whose sum is σ = 76938624. Its totient is φ = 65560080.

The previous prime is 71233199. The next prime is 71233207. The reversal of 71233201 is 10233217.

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 71233201 - 21 = 71233199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71233207) 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, 3385 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (9617328).

Almost surely, 271233201 is an apocalyptic number.

It is an amenable number.

71233201 is a deficient number, since it is larger than the sum of its proper divisors (5705423).

71233201 is a wasteful number, since it uses less digits than its factorization.

71233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 71233201 is about 8439.9763625261. The cubic root of 71233201 is about 414.5346329424.

Adding to 71233201 its reverse (10233217), we get a palindrome (81466418).

The spelling of 71233201 in words is "seventy-one million, two hundred thirty-three thousand, two hundred one".

Divisors: 1 13 347 4511 15791 205283 5479477 71233201