Search a number
-
+
6400314 = 232355573
BaseRepresentation
bin11000011010100100111010
3110001011120200
4120122210322
53114302224
6345103030
7105254544
oct30324472
913034520
106400314
113681718
122187a76
13143128b
14bc8694
158665c9
hex61a93a

6400314 has 12 divisors (see below), whose sum is σ = 13867386. Its totient is φ = 2133432.

The previous prime is 6400259. The next prime is 6400349. The reversal of 6400314 is 4130046.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 65025 = 2517^2 + 255^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 355573 = 6400314 / (6 + 4 + 0 + 0 + 3 + 1 + 4).

It is an Ulam number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 177769 + ... + 177804.

Almost surely, 26400314 is an apocalyptic number.

6400314 is an abundant number, since it is smaller than the sum of its proper divisors (7467072).

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

6400314 is a wasteful number, since it uses less digits than its factorization.

6400314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355581 (or 355578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6400314 is about 2529.8841870726. The cubic root of 6400314 is about 185.6665896676. Note that the first 3 decimals are identical.

The spelling of 6400314 in words is "six million, four hundred thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 355573 711146 1066719 2133438 3200157 6400314