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6472149 = 33169593
BaseRepresentation
bin11000101100000111010101
3110011211010020
4120230013111
53124102044
6350415353
7106004145
oct30540725
913154106
106472149
113720692
122201559
131457b98
14c06925
1587ca19
hex62c1d5

6472149 has 8 divisors (see below), whose sum is σ = 8908032. Its totient is φ = 4175520.

The previous prime is 6472139. The next prime is 6472157. The reversal of 6472149 is 9412746.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6472149 - 27 = 6472021 is a prime.

It is a d-powerful number, because it can be written as 68 + 4 + 73 + 213 + 1 + 45 + 97 .

It is a Curzon number.

6472149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472139) 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 7 ways as a sum of consecutive naturals, for example, 34704 + ... + 34889.

It is an arithmetic number, because the mean of its divisors is an integer number (1113504).

Almost surely, 26472149 is an apocalyptic number.

It is an amenable number.

6472149 is a deficient number, since it is larger than the sum of its proper divisors (2435883).

6472149 is a wasteful number, since it uses less digits than its factorization.

6472149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69627.

The product of its digits is 12096, while the sum is 33.

The square root of 6472149 is about 2544.0418628631. The cubic root of 6472149 is about 186.3586270822.

The spelling of 6472149 in words is "six million, four hundred seventy-two thousand, one hundred forty-nine".

Divisors: 1 3 31 93 69593 208779 2157383 6472149