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8051940 = 22335133137
BaseRepresentation
bin11110101101110011100100
3120011002012000
4132231303210
54030130230
6444325300
7125304021
oct36556344
916132160
108051940
1145aa5a6
122843830
13188bc80
1410d8548
15a90b60
hex7adce4

8051940 has 192 divisors, whose sum is σ = 28600320. Its totient is φ = 1866240.

The previous prime is 8051921. The next prime is 8051947. The reversal of 8051940 is 491508.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8051947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217602 + ... + 217638.

It is an arithmetic number, because the mean of its divisors is an integer number (148960).

Almost surely, 28051940 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 8051940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14300160).

8051940 is an abundant number, since it is smaller than the sum of its proper divisors (20548380).

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

8051940 is a wasteful number, since it uses less digits than its factorization.

8051940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8051940 is about 2837.5940513047. The cubic root of 8051940 is about 200.4318999740.

The spelling of 8051940 in words is "eight million, fifty-one thousand, nine hundred forty".