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6427149 = 319112757
BaseRepresentation
bin11000100001001000001101
3110002112101120
4120201020031
53121132044
6345431153
7105426021
oct30411015
913075346
106427149
11369a8a3
12219b4b9
131440561
14bd4381
1586e519
hex62120d

6427149 has 8 divisors (see below), whose sum is σ = 9020640. Its totient is φ = 4059216.

The previous prime is 6427121. The next prime is 6427171. The reversal of 6427149 is 9417246.

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 6427149 - 25 = 6427117 is a prime.

6427149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427249) 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, 56322 + ... + 56435.

It is an arithmetic number, because the mean of its divisors is an integer number (1127580).

Almost surely, 26427149 is an apocalyptic number.

It is an amenable number.

6427149 is a deficient number, since it is larger than the sum of its proper divisors (2593491).

6427149 is a wasteful number, since it uses less digits than its factorization.

6427149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112779.

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

The square root of 6427149 is about 2535.1822419700. The cubic root of 6427149 is about 185.9257131949.

The spelling of 6427149 in words is "six million, four hundred twenty-seven thousand, one hundred forty-nine".

Divisors: 1 3 19 57 112757 338271 2142383 6427149