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50189317 = 192641543
BaseRepresentation
bin1011111101110…
…1010000000101
310111102212210121
42333131100011
5100322024232
64551421541
71146413353
oct277352005
9114385717
1050189317
112636aa82
12149848b1
13a523629
1469467d3
154615d97
hex2fdd405

50189317 has 4 divisors (see below), whose sum is σ = 52830880. Its totient is φ = 47547756.

The previous prime is 50189311. The next prime is 50189323. The reversal of 50189317 is 71398105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50189311) and next prime (50189323).

It is a cyclic number.

It is not a de Polignac number, because 50189317 - 219 = 49665029 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 (50189311) 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, 1320753 + ... + 1320790.

It is an arithmetic number, because the mean of its divisors is an integer number (13207720).

Almost surely, 250189317 is an apocalyptic number.

It is an amenable number.

50189317 is a deficient number, since it is larger than the sum of its proper divisors (2641563).

50189317 is a wasteful number, since it uses less digits than its factorization.

50189317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641562.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 50189317 is about 7084.4418975668. The cubic root of 50189317 is about 368.8675307824.

The spelling of 50189317 in words is "fifty million, one hundred eighty-nine thousand, three hundred seventeen".

Divisors: 1 19 2641543 50189317