Search a number
-
+
50105216 = 27755921
BaseRepresentation
bin1011111100100…
…0101110000000
310111021121102202
42333020232000
5100311331331
64545532332
71145613230
oct277105600
9114247382
1050105216
1126312877
12149440a8
13a4c4275
146923cc0
1545eaecb
hex2fc8b80

50105216 has 32 divisors (see below), whose sum is σ = 114080880. Its totient is φ = 21473280.

The previous prime is 50105189. The next prime is 50105227. The reversal of 50105216 is 61250105.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27065 + ... + 28856.

Almost surely, 250105216 is an apocalyptic number.

50105216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50105216 is an abundant number, since it is smaller than the sum of its proper divisors (63975664).

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

50105216 is an equidigital number, since it uses as much as digits as its factorization.

50105216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55942 (or 55930 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 50105216 is about 7078.5037967073. The cubic root of 50105216 is about 368.6613815201.

The spelling of 50105216 in words is "fifty million, one hundred five thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 55921 111842 223684 391447 447368 782894 894736 1565788 1789472 3131576 3578944 6263152 7157888 12526304 25052608 50105216