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50102245 = 510020449
BaseRepresentation
bin1011111100011…
…1111111100101
310111021110100201
42333013333211
5100311232440
64545510501
71145601454
oct277077745
9114243321
1050102245
1126310616
1214942431
13a4c2acb
146922b9b
1545ea19a
hex2fc7fe5

50102245 has 4 divisors (see below), whose sum is σ = 60122700. Its totient is φ = 40081792.

The previous prime is 50102243. The next prime is 50102249. The reversal of 50102245 is 54220105.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 34845409 = 3906^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 50102245 - 21 = 50102243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50102243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010220 + ... + 5010229.

It is an arithmetic number, because the mean of its divisors is an integer number (15030675).

Almost surely, 250102245 is an apocalyptic number.

It is an amenable number.

50102245 is a deficient number, since it is larger than the sum of its proper divisors (10020455).

50102245 is a wasteful number, since it uses less digits than its factorization.

50102245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020454.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50102245 is about 7078.2939328626. The cubic root of 50102245 is about 368.6540947563.

The spelling of 50102245 in words is "fifty million, one hundred two thousand, two hundred forty-five".

Divisors: 1 5 10020449 50102245