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71425064 = 2343397523
BaseRepresentation
bin1000100000111…
…01110000101000
311222101202202202
410100131300220
5121241100224
611030515332
71525050224
oct420356050
9158352682
1071425064
1137354787
121bb05b48
1311a4a369
1496b3784
15640ceae
hex441dc28

71425064 has 32 divisors (see below), whose sum is σ = 137644320. Its totient is φ = 34727616.

The previous prime is 71425061. The next prime is 71425073. The reversal of 71425064 is 46052417.

It is not an unprimeable number, because it can be changed into a prime (71425061) 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, 136307 + ... + 136829.

It is an arithmetic number, because the mean of its divisors is an integer number (4301385).

Almost surely, 271425064 is an apocalyptic number.

It is an amenable number.

71425064 is a deficient number, since it is larger than the sum of its proper divisors (66219256).

71425064 is a wasteful number, since it uses less digits than its factorization.

71425064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 71425064 is about 8451.3350424652. The cubic root of 71425064 is about 414.9064752716.

The spelling of 71425064 in words is "seventy-one million, four hundred twenty-five thousand, sixty-four".

Divisors: 1 2 4 8 43 86 172 344 397 523 794 1046 1588 2092 3176 4184 17071 22489 34142 44978 68284 89956 136568 179912 207631 415262 830524 1661048 8928133 17856266 35712532 71425064