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6671380 = 2252314503
BaseRepresentation
bin11001011100110000010100
3110112221102011
4121130300110
53201441010
6354554004
7110464042
oct31346024
913487364
106671380
113847341
122298904
1314c7781
14c59392
158bba8a
hex65cc14

6671380 has 24 divisors (see below), whose sum is σ = 14620032. Its totient is φ = 2552352.

The previous prime is 6671377. The next prime is 6671381. The reversal of 6671380 is 831766.

It is a super-2 number, since 2×66713802 = 89014622208800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671381) 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, 6792 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (609168).

Almost surely, 26671380 is an apocalyptic number.

It is an amenable number.

6671380 is an abundant number, since it is smaller than the sum of its proper divisors (7948652).

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

6671380 is a wasteful number, since it uses less digits than its factorization.

6671380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14535 (or 14533 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6671380 is about 2582.9014692783. The cubic root of 6671380 is about 188.2515494923.

The spelling of 6671380 in words is "six million, six hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 14503 29006 58012 72515 145030 290060 333569 667138 1334276 1667845 3335690 6671380