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73506085 = 514701217
BaseRepresentation
bin1000110000110…
…01110100100101
312010022111101121
410120121310211
5122304143320
611143253541
71551535312
oct430316445
9163274347
1073506085
1138546234
122074a2b1
13122c8633
149a95d09
1566be8aa
hex4619d25

73506085 has 4 divisors (see below), whose sum is σ = 88207308. Its totient is φ = 58804864.

The previous prime is 73506077. The next prime is 73506089. The reversal of 73506085 is 58060537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58060537 = 433134089.

It can be written as a sum of positive squares in 2 ways, for example, as 20958084 + 52548001 = 4578^2 + 7249^2 .

It is a cyclic number.

It is not a de Polignac number, because 73506085 - 23 = 73506077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73506085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73506089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7350604 + ... + 7350613.

It is an arithmetic number, because the mean of its divisors is an integer number (22051827).

Almost surely, 273506085 is an apocalyptic number.

It is an amenable number.

73506085 is a deficient number, since it is larger than the sum of its proper divisors (14701223).

73506085 is a wasteful number, since it uses less digits than its factorization.

73506085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701222.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 73506085 is about 8573.5689768031. The cubic root of 73506085 is about 418.8974958251.

The spelling of 73506085 in words is "seventy-three million, five hundred six thousand, eighty-five".

Divisors: 1 5 14701217 73506085