Search a number
-
+
6401190 = 235316883
BaseRepresentation
bin11000011010110010100110
3110001012210010
4120122302212
53114314230
6345111050
7105260235
oct30326246
913035703
106401190
113682344
122188486
1314317b3
14bc8b1c
158669b0
hex61aca6

6401190 has 32 divisors (see below), whose sum is σ = 15860736. Its totient is φ = 1651680.

The previous prime is 6401183. The next prime is 6401191. The reversal of 6401190 is 911046.

It is a super-2 number, since 2×64011902 = 81950466832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (495648).

Almost surely, 26401190 is an apocalyptic number.

6401190 is an abundant number, since it is smaller than the sum of its proper divisors (9459546).

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

6401190 is a wasteful number, since it uses less digits than its factorization.

6401190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 6401190 is about 2530.0573116038. The cubic root of 6401190 is about 185.6750599037.

It can be divided in two parts, 640 and 1190, that added together give a triangular number (1830 = T60).

The spelling of 6401190 in words is "six million, four hundred one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 6883 13766 20649 34415 41298 68830 103245 206490 213373 426746 640119 1066865 1280238 2133730 3200595 6401190