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71048048 = 244440503
BaseRepresentation
bin1000011110000…
…01101101110000
311221200121121012
410033001231300
5121142014143
611014450052
71521620111
oct417015560
9157617535
1071048048
11371174a5
121b963928
1311947886
149616208
156386418
hex43c1b70

71048048 has 10 divisors (see below), whose sum is σ = 137655624. Its totient is φ = 35524016.

The previous prime is 71048017. The next prime is 71048051. The reversal of 71048048 is 84084017.

It is a super-2 number, since 2×710480482 = 10095650249220608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220236 + ... + 2220267.

Almost surely, 271048048 is an apocalyptic number.

It is an amenable number.

71048048 is a deficient number, since it is larger than the sum of its proper divisors (66607576).

71048048 is a wasteful number, since it uses less digits than its factorization.

71048048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440511 (or 4440505 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 71048048 is about 8429.0004152331. Note that the first 3 decimals coincide. The cubic root of 71048048 is about 414.1751613966.

The spelling of 71048048 in words is "seventy-one million, forty-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 4440503 8881006 17762012 35524024 71048048