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73765013 = 737284807
BaseRepresentation
bin1000110010110…
…01000010010101
312010210122120112
410121121002111
5122340440023
611153012405
71553664230
oct431310225
9163718515
1073765013
1138702823
1220854105
131238944a
149b22417
156721478
hex4659095

73765013 has 8 divisors (see below), whose sum is σ = 86581632. Its totient is φ = 61518096.

The previous prime is 73765001. The next prime is 73765031. The reversal of 73765013 is 31056737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73765013 - 24 = 73764997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73765033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142145 + ... + 142662.

It is an arithmetic number, because the mean of its divisors is an integer number (10822704).

Almost surely, 273765013 is an apocalyptic number.

It is an amenable number.

73765013 is a deficient number, since it is larger than the sum of its proper divisors (12816619).

73765013 is a wasteful number, since it uses less digits than its factorization.

73765013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284851.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 73765013 is about 8588.6560648334. The cubic root of 73765013 is about 419.3887802446.

The spelling of 73765013 in words is "seventy-three million, seven hundred sixty-five thousand, thirteen".

Divisors: 1 7 37 259 284807 1993649 10537859 73765013