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50540172 = 2234211681
BaseRepresentation
bin1100000011001…
…0111010001100
310112002201002020
43000302322030
5100414241142
65003130140
71152404304
oct300627214
9115081066
1050540172
112658a641
1214b13950
13a617237
1469d8604
154684cec
hex3032e8c

50540172 has 12 divisors (see below), whose sum is σ = 117927096. Its totient is φ = 16846720.

The previous prime is 50540159. The next prime is 50540173. The reversal of 50540172 is 27104505.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (50540173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105829 + ... + 2105852.

It is an arithmetic number, because the mean of its divisors is an integer number (9827258).

Almost surely, 250540172 is an apocalyptic number.

It is an amenable number.

50540172 is an abundant number, since it is smaller than the sum of its proper divisors (67386924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50540172 is a wasteful number, since it uses less digits than its factorization.

50540172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211688 (or 4211686 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 50540172 is about 7109.1611319480. The cubic root of 50540172 is about 369.7250745618.

Adding to 50540172 its reverse (27104505), we get a palindrome (77644677).

The spelling of 50540172 in words is "fifty million, five hundred forty thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 4211681 8423362 12635043 16846724 25270086 50540172