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938702940 = 2235717314241
BaseRepresentation
bin110111111100110…
…111100001011100
32102102100001100120
4313330313201130
53410301443230
6233051354540
732155562160
oct6774674134
92372301316
10938702940
1144196745a
12222452a50
1311c627a36
148c952ca0
1557624310
hex37f3785c

938702940 has 192 divisors, whose sum is σ = 3283918848. Its totient is φ = 195379200.

The previous prime is 938702939. The next prime is 938702959. The reversal of 938702940 is 49207839.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 938702892 and 938702901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219220 + ... + 223460.

It is an arithmetic number, because the mean of its divisors is an integer number (17103744).

Almost surely, 2938702940 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 938702940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641959424).

938702940 is an abundant number, since it is smaller than the sum of its proper divisors (2345215908).

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

938702940 is a wasteful number, since it uses less digits than its factorization.

938702940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 938702940 is about 30638.2594153127. The cubic root of 938702940 is about 979.1353403428.

The spelling of 938702940 in words is "nine hundred thirty-eight million, seven hundred two thousand, nine hundred forty".