Search a number
-
+
6470490 = 2351347353
BaseRepresentation
bin11000101011101101011010
3110011201211210
4120223231122
53124023430
6350403550
7105666255
oct30535532
913151753
106470490
11371a414
1222005b6
1314571c0
14c0609c
1587c2b0
hex62bb5a

6470490 has 64 divisors (see below), whose sum is σ = 17127936. Its totient is φ = 1554432.

The previous prime is 6470473. The next prime is 6470491. The reversal of 6470490 is 940746.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6470491) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18154 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (267624).

Almost surely, 26470490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6470490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8563968).

6470490 is an abundant number, since it is smaller than the sum of its proper divisors (10657446).

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

6470490 is a wasteful number, since it uses less digits than its factorization.

6470490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6470490 is about 2543.7157860107. The cubic root of 6470490 is about 186.3427026763.

The spelling of 6470490 in words is "six million, four hundred seventy thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 47 65 78 94 130 141 195 235 282 353 390 470 611 705 706 1059 1222 1410 1765 1833 2118 3055 3530 3666 4589 5295 6110 9165 9178 10590 13767 16591 18330 22945 27534 33182 45890 49773 68835 82955 99546 137670 165910 215683 248865 431366 497730 647049 1078415 1294098 2156830 3235245 6470490