Search a number
-
+
71403371 = 135492567
BaseRepresentation
bin1000100000110…
…00011101101011
311222100200000022
410100120131223
5121234401441
611030231055
71524630044
oct420303553
9158320008
1071403371
113733a456
121bab548b
1311a40520
1496a98cb
15640684b
hex441876b

71403371 has 4 divisors (see below), whose sum is σ = 76895952. Its totient is φ = 65910792.

The previous prime is 71403361. The next prime is 71403379. The reversal of 71403371 is 17330417.

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 71403371 - 218 = 71141227 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 71403371.

It is not an unprimeable number, because it can be changed into a prime (71403379) 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, 2746271 + ... + 2746296.

It is an arithmetic number, because the mean of its divisors is an integer number (19223988).

Almost surely, 271403371 is an apocalyptic number.

71403371 is a deficient number, since it is larger than the sum of its proper divisors (5492581).

71403371 is a wasteful number, since it uses less digits than its factorization.

71403371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492580.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 71403371 is about 8450.0515383044. The cubic root of 71403371 is about 414.8644663137.

Adding to 71403371 its reverse (17330417), we get a palindrome (88733788).

The spelling of 71403371 in words is "seventy-one million, four hundred three thousand, three hundred seventy-one".

Divisors: 1 13 5492567 71403371