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50542905 = 3572571873
BaseRepresentation
bin1100000011001…
…1100100111001
310112002211211110
43000303210321
5100414333110
65003150533
71152415260
oct300634471
9115084743
1050542905
11265916a6
1214b15449
13a61855a
1469d95d7
154685a20
hex3033939

50542905 has 32 divisors (see below), whose sum is σ = 92830464. Its totient is φ = 23003136.

The previous prime is 50542901. The next prime is 50542957. The reversal of 50542905 is 50924505.

It is a happy number.

It is not a de Polignac number, because 50542905 - 22 = 50542901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50542901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26049 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (2900952).

Almost surely, 250542905 is an apocalyptic number.

It is an amenable number.

50542905 is a deficient number, since it is larger than the sum of its proper divisors (42287559).

50542905 is a wasteful number, since it uses less digits than its factorization.

50542905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 50542905 is about 7109.3533461209. The cubic root of 50542905 is about 369.7317388342.

The spelling of 50542905 in words is "fifty million, five hundred forty-two thousand, nine hundred five".

Divisors: 1 3 5 7 15 21 35 105 257 771 1285 1799 1873 3855 5397 5619 8995 9365 13111 26985 28095 39333 65555 196665 481361 1444083 2406805 3369527 7220415 10108581 16847635 50542905