Search a number
-
+
50252251 = 743732287
BaseRepresentation
bin1011111110110…
…0100111011011
310111120002010111
42333230213123
5100331033001
64553025151
71150065010
oct277544733
9114502114
1050252251
1126403295
12149b51b7
13a54617a
146961707
154629851
hex2fec9db

50252251 has 16 divisors (see below), whose sum is σ = 59597824. Its totient is φ = 41477184.

The previous prime is 50252233. The next prime is 50252269. The reversal of 50252251 is 15225205.

It is an interprime number because it is at equal distance from previous prime (50252233) and next prime (50252269).

It is not a de Polignac number, because 50252251 - 25 = 50252219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50252231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20830 + ... + 23116.

It is an arithmetic number, because the mean of its divisors is an integer number (3724864).

Almost surely, 250252251 is an apocalyptic number.

50252251 is a deficient number, since it is larger than the sum of its proper divisors (9345573).

50252251 is a wasteful number, since it uses less digits than its factorization.

50252251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 50252251 is about 7088.8822108990. The cubic root of 50252251 is about 369.0216446740.

Adding to 50252251 its reverse (15225205), we get a palindrome (65477456).

The spelling of 50252251 in words is "fifty million, two hundred fifty-two thousand, two hundred fifty-one".

Divisors: 1 7 43 73 301 511 2287 3139 16009 21973 98341 166951 688387 1168657 7178893 50252251