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6541420 = 225327071
BaseRepresentation
bin11000111101000001101100
3110022100010211
4120331001230
53133311140
6352112204
7106413124
oct30750154
913270124
106541420
113768736
122235664
131480582
14c23c84
158932ea
hex63d06c

6541420 has 12 divisors (see below), whose sum is σ = 13737024. Its totient is φ = 2616560.

The previous prime is 6541393. The next prime is 6541429. The reversal of 6541420 is 241456.

It is a junction number, because it is equal to n+sod(n) for n = 6541391 and 6541400.

It is not an unprimeable number, because it can be changed into a prime (6541429) 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 3 ways as a sum of consecutive naturals, for example, 163516 + ... + 163555.

It is an arithmetic number, because the mean of its divisors is an integer number (1144752).

Almost surely, 26541420 is an apocalyptic number.

It is an amenable number.

6541420 is an abundant number, since it is smaller than the sum of its proper divisors (7195604).

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

6541420 is a wasteful number, since it uses less digits than its factorization.

6541420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327080 (or 327078 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 6541420 is about 2557.6199874102. The cubic root of 6541420 is about 187.0211306157.

Adding to 6541420 its reverse (241456), we get a palindrome (6782876).

The spelling of 6541420 in words is "six million, five hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 327071 654142 1308284 1635355 3270710 6541420