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71470324 = 2219940399
BaseRepresentation
bin1000100001010…
…00110011110100
311222111001212001
410100220303310
5121244022244
611031505044
71525326202
oct420506364
9158431761
1071470324
1137385792
121bb28184
1311a64b43
1496c6072
15641b5d4
hex4428cf4

71470324 has 12 divisors (see below), whose sum is σ = 131656000. Its totient is φ = 33854328.

The previous prime is 71470313. The next prime is 71470331. The reversal of 71470324 is 42307417.

It is a junction number, because it is equal to n+sod(n) for n = 71470292 and 71470301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470124 + ... + 470275.

Almost surely, 271470324 is an apocalyptic number.

It is an amenable number.

71470324 is a deficient number, since it is larger than the sum of its proper divisors (60185676).

71470324 is a wasteful number, since it uses less digits than its factorization.

71470324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940422 (or 940420 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 71470324 is about 8454.0123018600. The cubic root of 71470324 is about 414.9940948499.

The spelling of 71470324 in words is "seventy-one million, four hundred seventy thousand, three hundred twenty-four".

Divisors: 1 2 4 19 38 76 940399 1880798 3761596 17867581 35735162 71470324