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50983290 = 2335188827
BaseRepresentation
bin1100001001111…
…1000101111010
310112221012221000
43002133011322
5101022431130
65020425430
71156231221
oct302370572
9115835830
1050983290
1126862556
12150a8276
13a740b37
146ab1cb8
154721260
hex309f17a

50983290 has 32 divisors (see below), whose sum is σ = 135956160. Its totient is φ = 13595472.

The previous prime is 50983271. The next prime is 50983291. The reversal of 50983290 is 9238905.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50983291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94144 + ... + 94683.

It is an arithmetic number, because the mean of its divisors is an integer number (4248630).

Almost surely, 250983290 is an apocalyptic number.

50983290 is an abundant number, since it is smaller than the sum of its proper divisors (84972870).

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

50983290 is a wasteful number, since it uses less digits than its factorization.

50983290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188843 (or 188837 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50983290 is about 7140.2583986856. The cubic root of 50983290 is about 370.8024706321.

The spelling of 50983290 in words is "fifty million, nine hundred eighty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 188827 377654 566481 944135 1132962 1699443 1888270 2832405 3398886 5098329 5664810 8497215 10196658 16994430 25491645 50983290