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37942940 = 2257271021
BaseRepresentation
bin1001000010111…
…1011010011100
32122101200221002
42100233122130
534203133230
63433125432
7640336550
oct220573234
978350832
1037942940
111a466102
1210859878
137b26459
145079860
1534e7545
hex242f69c

37942940 has 24 divisors (see below), whose sum is σ = 91063392. Its totient is φ = 13008960.

The previous prime is 37942937. The next prime is 37942951. The reversal of 37942940 is 4924973.

37942940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 37942894 and 37942903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135371 + ... + 135650.

It is an arithmetic number, because the mean of its divisors is an integer number (3794308).

Almost surely, 237942940 is an apocalyptic number.

It is an amenable number.

37942940 is an abundant number, since it is smaller than the sum of its proper divisors (53120452).

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

37942940 is a wasteful number, since it uses less digits than its factorization.

37942940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271037 (or 271035 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 37942940 is about 6159.7840871251. The cubic root of 37942940 is about 336.0291806667.

The spelling of 37942940 in words is "thirty-seven million, nine hundred forty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 271021 542042 1084084 1355105 1897147 2710210 3794294 5420420 7588588 9485735 18971470 37942940