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3940120 = 235137719
BaseRepresentation
bin1111000001111100011000
321102011211101
433001330120
52002040440
6220241144
745330142
oct17017430
97364741
103940120
1122512a8
1213a01b4
13a7c542
14747c92
1552c69a
hex3c1f18

3940120 has 32 divisors (see below), whose sum is σ = 8942400. Its totient is φ = 1562368.

The previous prime is 3940117. The next prime is 3940121. The reversal of 3940120 is 210493.

3940120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39401202 = 31049091228800, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5121 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (279450).

Almost surely, 23940120 is an apocalyptic number.

It is an amenable number.

3940120 is an abundant number, since it is smaller than the sum of its proper divisors (5002280).

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

3940120 is a wasteful number, since it uses less digits than its factorization.

3940120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3940120 is about 1984.9735514611. The cubic root of 3940120 is about 157.9440062229.

The spelling of 3940120 in words is "three million, nine hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 685 719 1096 1370 1438 2740 2876 3595 5480 5752 7190 14380 28760 98503 197006 394012 492515 788024 985030 1970060 3940120