Search a number
-
+
3493830 = 235116461
BaseRepresentation
bin1101010100111111000110
320120111122010
431110333012
51343300310
6202515050
741461044
oct15247706
96514563
103493830
111a76a6a
121205a86
13954372
1466d394
15490320
hex354fc6

3493830 has 16 divisors (see below), whose sum is σ = 8385264. Its totient is φ = 931680.

The previous prime is 3493829. The next prime is 3493859. The reversal of 3493830 is 383943.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 116461 = 3493830 / (3 + 4 + 9 + 3 + 8 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58201 + ... + 58260.

It is an arithmetic number, because the mean of its divisors is an integer number (524079).

Almost surely, 23493830 is an apocalyptic number.

3493830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3493830 is an abundant number, since it is smaller than the sum of its proper divisors (4891434).

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

3493830 is a wasteful number, since it uses less digits than its factorization.

3493830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116471.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3493830 is about 1869.1789641444. The cubic root of 3493830 is about 151.7401782403.

The spelling of 3493830 in words is "three million, four hundred ninety-three thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 116461 232922 349383 582305 698766 1164610 1746915 3493830