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6427380 = 2235107123
BaseRepresentation
bin11000100001001011110100
3110002112201010
4120201023310
53121134010
6345432220
7105426501
oct30411364
913075633
106427380
11369aa93
12219b670
1314406ab
14bd44a8
1586e620
hex6212f4

6427380 has 24 divisors (see below), whose sum is σ = 17996832. Its totient is φ = 1713952.

The previous prime is 6427367. The next prime is 6427433. The reversal of 6427380 is 837246.

It is a super-2 number, since 2×64273802 = 82622427328800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53502 + ... + 53621.

It is an arithmetic number, because the mean of its divisors is an integer number (749868).

Almost surely, 26427380 is an apocalyptic number.

6427380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6427380 is an abundant number, since it is smaller than the sum of its proper divisors (11569452).

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

6427380 is a wasteful number, since it uses less digits than its factorization.

6427380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107135 (or 107133 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 6427380 is about 2535.2278004156. The cubic root of 6427380 is about 185.9279406379.

The spelling of 6427380 in words is "six million, four hundred twenty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107123 214246 321369 428492 535615 642738 1071230 1285476 1606845 2142460 3213690 6427380