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50235445 = 513772853
BaseRepresentation
bin1011111110100…
…0100000110101
310111112020002001
42333220200311
5100330013240
64552415301
71146665011
oct277504065
9114466061
1050235445
11263a16a7
12149a7531
13a53b620
146959541
15462489a
hex2fe8835

50235445 has 8 divisors (see below), whose sum is σ = 64919736. Its totient is φ = 37096896.

The previous prime is 50235443. The next prime is 50235457. The reversal of 50235445 is 54453205.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 48135844 = 1449^2 + 6938^2 .

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 50235445 - 21 = 50235443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50235443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386362 + ... + 386491.

It is an arithmetic number, because the mean of its divisors is an integer number (8114967).

Almost surely, 250235445 is an apocalyptic number.

It is an amenable number.

50235445 is a deficient number, since it is larger than the sum of its proper divisors (14684291).

50235445 is a wasteful number, since it uses less digits than its factorization.

50235445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772871.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 50235445 is about 7087.6967344829. The cubic root of 50235445 is about 368.9805024424.

The spelling of 50235445 in words is "fifty million, two hundred thirty-five thousand, four hundred forty-five".

Divisors: 1 5 13 65 772853 3864265 10047089 50235445