Search a number
-
+
3802540 = 2257157173
BaseRepresentation
bin1110100000010110101100
321011012002211
432200112230
51433140130
6213300204
744215060
oct16402654
97135084
103802540
1121679a5
121334664
13a31a31
1470daa0
15501a2a
hex3a05ac

3802540 has 48 divisors (see below), whose sum is σ = 9237312. Its totient is φ = 1287936.

The previous prime is 3802531. The next prime is 3802541. The reversal of 3802540 is 452083.

It is not an unprimeable number, because it can be changed into a prime (3802541) 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, 21894 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (192444).

Almost surely, 23802540 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 3802540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4618656).

3802540 is an abundant number, since it is smaller than the sum of its proper divisors (5434772).

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

3802540 is a wasteful number, since it uses less digits than its factorization.

3802540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3802540 is about 1950.0102563833. The cubic root of 3802540 is about 156.0838361559.

The spelling of 3802540 in words is "three million, eight hundred two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157 173 314 346 628 692 785 865 1099 1211 1570 1730 2198 2422 3140 3460 4396 4844 5495 6055 10990 12110 21980 24220 27161 54322 108644 135805 190127 271610 380254 543220 760508 950635 1901270 3802540