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50315690 = 255031569
BaseRepresentation
bin1011111111110…
…0000110101010
310111200022011002
42333330012222
5100340100230
64554235002
71150450655
oct277740652
9114608132
1050315690
1126446a17
1214a25a62
13a568cc9
14697a89c
15463d545
hex2ffc1aa

50315690 has 8 divisors (see below), whose sum is σ = 90568260. Its totient is φ = 20126272.

The previous prime is 50315663. The next prime is 50315729. The reversal of 50315690 is 9651305.

It can be written as a sum of positive squares in 2 ways, for example, as 50310649 + 5041 = 7093^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×503156902 = 5063337320352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515775 + ... + 2515794.

Almost surely, 250315690 is an apocalyptic number.

50315690 is a deficient number, since it is larger than the sum of its proper divisors (40252570).

50315690 is a wasteful number, since it uses less digits than its factorization.

50315690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031576.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 50315690 is about 7093.3553414446. The cubic root of 50315690 is about 369.1768650498.

Adding to 50315690 its reverse (9651305), we get a palindrome (59966995).

The spelling of 50315690 in words is "fifty million, three hundred fifteen thousand, six hundred ninety".

Divisors: 1 2 5 10 5031569 10063138 25157845 50315690