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6425943 = 383131197
BaseRepresentation
bin11000100000110101010111
3110002110201220
4120200311113
53121112233
6345421423
7105422346
oct30406527
913073656
106425943
1136999a7
12219a873
13143cb44
14bd3b5d
1586deb3
hex620d57

6425943 has 16 divisors (see below), whose sum is σ = 8781696. Its totient is φ = 4178720.

The previous prime is 6425941. The next prime is 6425957. The reversal of 6425943 is 3495246.

It is a cyclic number.

It is not a de Polignac number, because 6425943 - 21 = 6425941 is a prime.

It is a d-powerful number, because it can be written as 63 + 48 + 221 + 55 + 94 + 411 + 310 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425941) 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 15 ways as a sum of consecutive naturals, for example, 32521 + ... + 32717.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 26425943 is an apocalyptic number.

6425943 is a deficient number, since it is larger than the sum of its proper divisors (2355753).

6425943 is a wasteful number, since it uses less digits than its factorization.

6425943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its digits is 25920, while the sum is 33.

The square root of 6425943 is about 2534.9443780880. The cubic root of 6425943 is about 185.9140833397.

The spelling of 6425943 in words is "six million, four hundred twenty-five thousand, nine hundred forty-three".

Divisors: 1 3 83 131 197 249 393 591 10873 16351 25807 32619 49053 77421 2141981 6425943