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50730081 = 316910027
BaseRepresentation
bin1100000110000…
…1010001100001
310112110100120220
43001201101201
5100441330311
65011153253
71154125053
oct301412141
9115410526
1050730081
11266aa296
1214ba5829
13a6827cc
146a478d3
1546c1206
hex3061461

50730081 has 4 divisors (see below), whose sum is σ = 67640112. Its totient is φ = 33820052.

The previous prime is 50730049. The next prime is 50730103. The reversal of 50730081 is 18003705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50730081 - 25 = 50730049 is a prime.

It is a super-2 number, since 2×507300812 = 5147082236533122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50730481) 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, 8455011 + ... + 8455016.

It is an arithmetic number, because the mean of its divisors is an integer number (16910028).

Almost surely, 250730081 is an apocalyptic number.

It is an amenable number.

50730081 is a deficient number, since it is larger than the sum of its proper divisors (16910031).

50730081 is a wasteful number, since it uses less digits than its factorization.

50730081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16910030.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 50730081 is about 7122.5052474533. The cubic root of 50730081 is about 370.1875868853.

Adding to 50730081 its reverse (18003705), we get a palindrome (68733786).

The spelling of 50730081 in words is "fifty million, seven hundred thirty thousand, eighty-one".

Divisors: 1 3 16910027 50730081