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40990950 = 232527211132
BaseRepresentation
bin1001110001011…
…1100011100110
32212010120000100
42130113203212
540443202300
64022324530
71005263100
oct234274346
985116010
1040990950
1121158120
1211889746
138652900
145630570
1538ea700
hex27178e6

40990950 has 324 divisors, whose sum is σ = 151332948. Its totient is φ = 7862400.

The previous prime is 40990933. The next prime is 40990969. The reversal of 40990950 is 5909904.

40990950 = T1729 + T1730 + ... + T1755.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 3153144 + ... + 3153156.

It is an arithmetic number, because the mean of its divisors is an integer number (467077).

Almost surely, 240990950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40990950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75666474).

40990950 is an abundant number, since it is smaller than the sum of its proper divisors (110341998).

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

40990950 is a wasteful number, since it uses less digits than its factorization.

40990950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 40990950 is about 6402.4175121590. The cubic root of 40990950 is about 344.7963511420.

The spelling of 40990950 in words is "forty million, nine hundred ninety thousand, nine hundred fifty".