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50213147 = 211237977
BaseRepresentation
bin1011111110001…
…1000100011011
310111111002111012
42333203010123
5100323310042
64552124135
71146543005
oct277430433
9114432435
1050213147
1126386976
121499664b
13a53142a
146951375
15461ce82
hex2fe311b

50213147 has 4 divisors (see below), whose sum is σ = 50451336. Its totient is φ = 49974960.

The previous prime is 50213113. The next prime is 50213161. The reversal of 50213147 is 74131205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50213147 - 218 = 49951003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50213197) 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, 118778 + ... + 119199.

It is an arithmetic number, because the mean of its divisors is an integer number (12612834).

Almost surely, 250213147 is an apocalyptic number.

50213147 is a deficient number, since it is larger than the sum of its proper divisors (238189).

50213147 is a wasteful number, since it uses less digits than its factorization.

50213147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238188.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 50213147 is about 7086.1235524086. The cubic root of 50213147 is about 368.9259012549.

The spelling of 50213147 in words is "fifty million, two hundred thirteen thousand, one hundred forty-seven".

Divisors: 1 211 237977 50213147