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50216961 = 316738987
BaseRepresentation
bin1011111110010…
…0000000000001
310111111021201110
42333210000001
5100323420321
64552153533
71146560064
oct277440001
9114437643
1050216961
1126389823
12149988a9
13a5330a2
1469528db
15461e176
hex2fe4001

50216961 has 4 divisors (see below), whose sum is σ = 66955952. Its totient is φ = 33477972.

The previous prime is 50216953. The next prime is 50216983. The reversal of 50216961 is 16961205.

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 not a de Polignac number, because 50216961 - 23 = 50216953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50216941) 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, 8369491 + ... + 8369496.

It is an arithmetic number, because the mean of its divisors is an integer number (16738988).

It is a Proth number, since it is equal to 3065 ⋅ 214 + 1 and 3065 < 214.

Almost surely, 250216961 is an apocalyptic number.

It is an amenable number.

50216961 is a deficient number, since it is larger than the sum of its proper divisors (16738991).

50216961 is a wasteful number, since it uses less digits than its factorization.

50216961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16738990.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 50216961 is about 7086.3926648190. The cubic root of 50216961 is about 368.9352417553.

The spelling of 50216961 in words is "fifty million, two hundred sixteen thousand, nine hundred sixty-one".

Divisors: 1 3 16738987 50216961