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71470270 = 2526172731
BaseRepresentation
bin1000100001010…
…00110010111110
311222111001210001
410100220302332
5121244022040
611031504514
71525326064
oct420506276
9158431701
1071470270
1137385743
121bb2813a
1311a64b01
1496c6034
15641b59a
hex4428cbe

71470270 has 16 divisors (see below), whose sum is σ = 128742768. Its totient is φ = 28566720.

The previous prime is 71470249. The next prime is 71470291. The reversal of 71470270 is 7207417.

It is an interprime number because it is at equal distance from previous prime (71470249) and next prime (71470291).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24805 + ... + 27535.

It is an arithmetic number, because the mean of its divisors is an integer number (8046423).

Almost surely, 271470270 is an apocalyptic number.

71470270 is a deficient number, since it is larger than the sum of its proper divisors (57272498).

71470270 is a wasteful number, since it uses less digits than its factorization.

71470270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 71470270 is about 8454.0091081096. The cubic root of 71470270 is about 414.9939903325.

Adding to 71470270 its reverse (7207417), we get a palindrome (78677687).

The spelling of 71470270 in words is "seventy-one million, four hundred seventy thousand, two hundred seventy".

Divisors: 1 2 5 10 2617 2731 5234 5462 13085 13655 26170 27310 7147027 14294054 35735135 71470270