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50897808 = 2435131953
BaseRepresentation
bin1100001000101…
…0001110010000
310112202212200000
43002022032100
5101012212213
65014530000
71155424053
oct302121620
9115685600
1050897808
1126804305
1215066900
13a710c60
146a8ca9a
154705c73
hex308a390

50897808 has 240 divisors, whose sum is σ = 170614080. Its totient is φ = 14556672.

The previous prime is 50897807. The next prime is 50897809. The reversal of 50897808 is 80879805.

It is an interprime number because it is at equal distance from previous prime (50897807) and next prime (50897809).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (50897807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 960310 + ... + 960362.

It is an arithmetic number, because the mean of its divisors is an integer number (710892).

Almost surely, 250897808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50897808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85307040).

50897808 is an abundant number, since it is smaller than the sum of its proper divisors (119716272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50897808 is a wasteful number, since it uses less digits than its factorization.

50897808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 50897808 is about 7134.2699696605. The cubic root of 50897808 is about 370.5951172792.

The spelling of 50897808 in words is "fifty million, eight hundred ninety-seven thousand, eight hundred eight".