Search a number
-
+
50281988 = 22172293229
BaseRepresentation
bin1011111111001…
…1111000000100
310111121120220212
42333303320010
5100333010423
64553414552
71150250501
oct277637004
9114546825
1050281988
1126423669
1214a0a458
13a556873
14696c4a8
154633578
hex2ff3e04

50281988 has 24 divisors (see below), whose sum is σ = 93605400. Its totient is φ = 23551488.

The previous prime is 50281951. The next prime is 50281991. The reversal of 50281988 is 88918205.

It can be written as a sum of positive squares in 4 ways, for example, as 20775364 + 29506624 = 4558^2 + 5432^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13958 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (3900225).

Almost surely, 250281988 is an apocalyptic number.

It is an amenable number.

50281988 is a deficient number, since it is larger than the sum of its proper divisors (43323412).

50281988 is a wasteful number, since it uses less digits than its factorization.

50281988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 50281988 is about 7090.9793399784. The cubic root of 50281988 is about 369.0944204043.

The spelling of 50281988 in words is "fifty million, two hundred eighty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 17 34 68 229 458 916 3229 3893 6458 7786 12916 15572 54893 109786 219572 739441 1478882 2957764 12570497 25140994 50281988