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3075940 = 2257127173
BaseRepresentation
bin1011101110111101100100
312210021101201
423232331210
51241412230
6145532244
735100520
oct13567544
95707351
103075940
111810aaa
121044084
138390aa
145a0d80
1540b5ca
hex2eef64

3075940 has 48 divisors (see below), whose sum is σ = 7483392. Its totient is φ = 1040256.

The previous prime is 3075911. The next prime is 3075949. The reversal of 3075940 is 495703.

3075940 = T372 + T373 + ... + T411.

It is a super-2 number, since 2×30759402 = 18922813767200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3075899 and 3075908.

It is not an unprimeable number, because it can be changed into a prime (3075949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17694 + ... + 17866.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

Almost surely, 23075940 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 3075940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3741696).

3075940 is an abundant number, since it is smaller than the sum of its proper divisors (4407452).

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

3075940 is a wasteful number, since it uses less digits than its factorization.

3075940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3075940 is about 1753.8357961907. The cubic root of 3075940 is about 145.4317689242.

The spelling of 3075940 in words is "three million, seventy-five thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 127 140 173 254 346 508 635 692 865 889 1211 1270 1730 1778 2422 2540 3460 3556 4445 4844 6055 8890 12110 17780 21971 24220 43942 87884 109855 153797 219710 307594 439420 615188 768985 1537970 3075940