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50199745 = 553189433
BaseRepresentation
bin1011111101111…
…1110011000001
310111110102002211
42333133303001
5100322342440
64551542121
71146455641
oct277376301
9114412084
1050199745
11263778a2
121498a941
13a5282bb
14694a521
154618eea
hex2fdfcc1

50199745 has 8 divisors (see below), whose sum is σ = 61376616. Its totient is φ = 39401856.

The previous prime is 50199733. The next prime is 50199781. The reversal of 50199745 is 54799105.

It can be written as a sum of positive squares in 4 ways, for example, as 21169201 + 29030544 = 4601^2 + 5388^2 .

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 50199745 - 217 = 50068673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50199698 and 50199707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94452 + ... + 94981.

It is an arithmetic number, because the mean of its divisors is an integer number (7672077).

Almost surely, 250199745 is an apocalyptic number.

It is an amenable number.

50199745 is a deficient number, since it is larger than the sum of its proper divisors (11176871).

50199745 is a wasteful number, since it uses less digits than its factorization.

50199745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189491.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 50199745 is about 7085.1778382762. The cubic root of 50199745 is about 368.8930759546.

The spelling of 50199745 in words is "fifty million, one hundred ninety-nine thousand, seven hundred forty-five".

Divisors: 1 5 53 265 189433 947165 10039949 50199745