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50099081 = 383130807
BaseRepresentation
bin1011111100011…
…1001110001001
310111021022000112
42333013032021
5100311132311
64545444105
71145556314
oct277071611
9114238015
1050099081
11263091aa
1214940635
13a4c1536
14692197b
1545e928b
hex2fc7389

50099081 has 4 divisors (see below), whose sum is σ = 50230272. Its totient is φ = 49967892.

The previous prime is 50099059. The next prime is 50099099. The reversal of 50099081 is 18099005.

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 50099081 - 218 = 49836937 is a prime.

It is a super-2 number, since 2×500990812 = 5019835834089122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50099011) 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, 65021 + ... + 65786.

It is an arithmetic number, because the mean of its divisors is an integer number (12557568).

Almost surely, 250099081 is an apocalyptic number.

It is an amenable number.

50099081 is a deficient number, since it is larger than the sum of its proper divisors (131191).

50099081 is a wasteful number, since it uses less digits than its factorization.

50099081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131190.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 50099081 is about 7078.0704291495. The cubic root of 50099081 is about 368.6463343183.

The spelling of 50099081 in words is "fifty million, ninety-nine thousand, eighty-one".

Divisors: 1 383 130807 50099081