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6670045 = 519611151
BaseRepresentation
bin11001011100011011011101
3110112212120201
4121130123131
53201420140
6354543501
7110460124
oct31343335
913485521
106670045
113846338
122297b91
1314c6c95
14c58abb
158bb49a
hex65c6dd

6670045 has 16 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 4968000.

The previous prime is 6670043. The next prime is 6670067. The reversal of 6670045 is 5400766.

It is not a de Polignac number, because 6670045 - 21 = 6670043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6669995 and 6670022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 26670045 is an apocalyptic number.

It is an amenable number.

6670045 is a deficient number, since it is larger than the sum of its proper divisors (1900835).

6670045 is a wasteful number, since it uses less digits than its factorization.

6670045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6670045 is about 2582.6430260491. The cubic root of 6670045 is about 188.2389917415.

The spelling of 6670045 in words is "six million, six hundred seventy thousand, forty-five".

Divisors: 1 5 19 61 95 305 1151 1159 5755 5795 21869 70211 109345 351055 1334009 6670045