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50072101 is a prime number
BaseRepresentation
bin1011111100000…
…0101000100101
310111012221000021
42333000220211
5100304301401
64545115141
71145414542
oct277005045
9114187007
1050072101
112629aa02
1214928ab1
13a4b2181
146915bc9
1545e12a1
hex2fc0a25

50072101 has 2 divisors, whose sum is σ = 50072102. Its totient is φ = 50072100.

The previous prime is 50072083. The next prime is 50072117. The reversal of 50072101 is 10127005.

It is an a-pointer prime, because the next prime (50072117) can be obtained adding 50072101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 30625 = 7074^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 50072101 - 25 = 50072069 is a prime.

It is equal to p3005152 and since 50072101 and 3005152 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50072131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25036050 + 25036051.

It is an arithmetic number, because the mean of its divisors is an integer number (25036051).

Almost surely, 250072101 is an apocalyptic number.

It is an amenable number.

50072101 is a deficient number, since it is larger than the sum of its proper divisors (1).

50072101 is an equidigital number, since it uses as much as digits as its factorization.

50072101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 50072101 is about 7076.1642858260. The cubic root of 50072101 is about 368.5801463838.

Adding to 50072101 its reverse (10127005), we get a palindrome (60199106).

The spelling of 50072101 in words is "fifty million, seventy-two thousand, one hundred one".