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50223142 = 225111571
BaseRepresentation
bin1011111110010…
…1100000100110
310111111121012101
42333211200212
5100324120032
64552242314
71146614104
oct277454046
9114447171
1050223142
1126393432
12149a039a
13a535b48
146954c74
154620de7
hex2fe5826

50223142 has 4 divisors (see below), whose sum is σ = 75334716. Its totient is φ = 25111570.

The previous prime is 50223127. The next prime is 50223143. The reversal of 50223142 is 24132205.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50223143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555784 + ... + 12555787.

It is an arithmetic number, because the mean of its divisors is an integer number (18833679).

Almost surely, 250223142 is an apocalyptic number.

50223142 is a deficient number, since it is larger than the sum of its proper divisors (25111574).

50223142 is a wasteful number, since it uses less digits than its factorization.

50223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111573.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50223142 is about 7086.8287689206. The cubic root of 50223142 is about 368.9503780434.

Adding to 50223142 its reverse (24132205), we get a palindrome (74355347).

The spelling of 50223142 in words is "fifty million, two hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 25111571 50223142