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73082231 = 467156493
BaseRepresentation
bin1000101101100…
…10010101110111
312002111221222022
410112302111313
5122202112411
611130223355
71545121505
oct426622567
9162457868
1073082231
1138286842
1220584b5b
13121aa731
1499c5675
156638edb
hex45b2577

73082231 has 4 divisors (see below), whose sum is σ = 73239192. Its totient is φ = 72925272.

The previous prime is 73082197. The next prime is 73082249. The reversal of 73082231 is 13228037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73082231 - 226 = 5973367 is a prime.

It is a super-2 number, since 2×730822312 = 10682024975874722, which contains 22 as substring.

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 73082231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73082281) 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, 77780 + ... + 78713.

It is an arithmetic number, because the mean of its divisors is an integer number (18309798).

Almost surely, 273082231 is an apocalyptic number.

73082231 is a deficient number, since it is larger than the sum of its proper divisors (156961).

73082231 is a wasteful number, since it uses less digits than its factorization.

73082231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156960.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 73082231 is about 8548.8145961882. The cubic root of 73082231 is about 418.0907882587.

The spelling of 73082231 in words is "seventy-three million, eighty-two thousand, two hundred thirty-one".

Divisors: 1 467 156493 73082231