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3875740 = 2251179223
BaseRepresentation
bin1110110010001110011100
321021220111221
432302032130
51443010430
6215023124
744641351
oct16621634
97256457
103875740
1122079a0
12136aaa4
13a5914b
1472c628
1551857a
hex3b239c

3875740 has 48 divisors (see below), whose sum is σ = 9031680. Its totient is φ = 1385280.

The previous prime is 3875699. The next prime is 3875741. The reversal of 3875740 is 475783.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3875696 and 3875705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875741) 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, 17269 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

Almost surely, 23875740 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 3875740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4515840).

3875740 is an abundant number, since it is smaller than the sum of its proper divisors (5155940).

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

3875740 is a wasteful number, since it uses less digits than its factorization.

3875740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3875740 is about 1968.6899197182. The cubic root of 3875740 is about 157.0790303560.

The spelling of 3875740 in words is "three million, eight hundred seventy-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 79 110 158 220 223 316 395 446 790 869 892 1115 1580 1738 2230 2453 3476 4345 4460 4906 8690 9812 12265 17380 17617 24530 35234 49060 70468 88085 176170 193787 352340 387574 775148 968935 1937870 3875740