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202011040 = 25571119863
BaseRepresentation
bin11000000101001…
…11000110100000
3112002010020001101
430002213012200
5403203323130
632013444144
75002031320
oct1402470640
9462106041
10202011040
11a4036980
12577a0654
1332b0c77a
141cb87280
1512b051ca
hexc0a71a0

202011040 has 192 divisors, whose sum is σ = 627056640. Its totient is φ = 59581440.

The previous prime is 202011011. The next prime is 202011041. The reversal of 202011040 is 40110202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202011041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233649 + ... + 234511.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2202011040 is an apocalyptic number.

202011040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313528320).

202011040 is an abundant number, since it is smaller than the sum of its proper divisors (425045600).

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

202011040 is a wasteful number, since it uses less digits than its factorization.

202011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 202011040 is about 14213.0587840901. The cubic root of 202011040 is about 586.7571198914.

Adding to 202011040 its reverse (40110202), we get a palindrome (242121242).

The spelling of 202011040 in words is "two hundred two million, eleven thousand, forty".