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71232425 = 52111913633
BaseRepresentation
bin1000011111011…
…10101110101001
311222000222111222
410033232232221
5121213414200
611022431425
71523315465
oct417565651
9158028458
1071232425
1137232a80
121ba32575
13119b0784
1496634a5
1563c0d85
hex43eeba9

71232425 has 24 divisors (see below), whose sum is σ = 101436960. Its totient is φ = 49075200.

The previous prime is 71232419. The next prime is 71232443. The reversal of 71232425 is 52423217.

It is not a de Polignac number, because 71232425 - 24 = 71232409 is a prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 71232394 and 71232403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592 + ... + 12041.

It is an arithmetic number, because the mean of its divisors is an integer number (4226540).

Almost surely, 271232425 is an apocalyptic number.

It is an amenable number.

71232425 is a deficient number, since it is larger than the sum of its proper divisors (30204535).

71232425 is a wasteful number, since it uses less digits than its factorization.

71232425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673 (or 13668 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 71232425 is about 8439.9303907082. The cubic root of 71232425 is about 414.5331276516.

The spelling of 71232425 in words is "seventy-one million, two hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 5 11 19 25 55 95 209 275 475 1045 5225 13633 68165 149963 259027 340825 749815 1295135 2849297 3749075 6475675 14246485 71232425