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6380490 = 235212683
BaseRepresentation
bin11000010101101111001010
3110000011101110
4120111233022
53113133430
6344431150
7105143004
oct30255712
913004343
106380490
113668836
1221784b6
13142524c
14bc1374
158607b0
hex615bca

6380490 has 16 divisors (see below), whose sum is σ = 15313248. Its totient is φ = 1701456.

The previous prime is 6380483. The next prime is 6380497. The reversal of 6380490 is 940836.

It is an interprime number because it is at equal distance from previous prime (6380483) and next prime (6380497).

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: 212683 = 6380490 / (6 + 3 + 8 + 0 + 4 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (6380497) 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, 106312 + ... + 106371.

It is an arithmetic number, because the mean of its divisors is an integer number (957078).

Almost surely, 26380490 is an apocalyptic number.

6380490 is an abundant number, since it is smaller than the sum of its proper divisors (8932758).

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

6380490 is a wasteful number, since it uses less digits than its factorization.

6380490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212693.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6380490 is about 2525.9631826295. The cubic root of 6380490 is about 185.4747000657.

The spelling of 6380490 in words is "six million, three hundred eighty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 212683 425366 638049 1063415 1276098 2126830 3190245 6380490