Search a number
-
+
3499040 = 255191151
BaseRepresentation
bin1101010110010000100000
320120202210002
431112100200
51343432130
6202555132
741512166
oct15262040
96522702
103499040
111a7a976
121208aa8
1395684c
14671236
15491b45
hex356420

3499040 has 48 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1324800.

The previous prime is 3499019. The next prime is 3499043. The reversal of 3499040 is 409943.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3498994 and 3499012.

It is not an unprimeable number, because it can be changed into a prime (3499043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 23499040 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 3499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3499040 is an abundant number, since it is smaller than the sum of its proper divisors (5210080).

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

3499040 is a wasteful number, since it uses less digits than its factorization.

3499040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3499040 is about 1870.5721049989. The cubic root of 3499040 is about 151.8155657748.

The spelling of 3499040 in words is "three million, four hundred ninety-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1151 1520 2302 3040 4604 5755 9208 11510 18416 21869 23020 36832 43738 46040 87476 92080 109345 174952 184160 218690 349904 437380 699808 874760 1749520 3499040