Search a number
-
+
468809 = 111723109
BaseRepresentation
bin1110010011101001001
3212211002022
41302131021
5110000214
614014225
73661535
oct1623511
9784068
10468809
112a0250
121a7375
13135503
14c2bc5
1593d8e
hex72749

468809 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 380160.

The previous prime is 468803. The next prime is 468817. The reversal of 468809 is 908864.

It is a de Polignac number, because none of the positive numbers 2k-468809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468803) 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, 4247 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2468809 is an apocalyptic number.

It is an amenable number.

468809 is a deficient number, since it is larger than the sum of its proper divisors (101431).

468809 is a wasteful number, since it uses less digits than its factorization.

468809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 468809 is about 684.6962830336. The cubic root of 468809 is about 77.6840716538.

The spelling of 468809 in words is "four hundred sixty-eight thousand, eight hundred nine".

Divisors: 1 11 17 23 109 187 253 391 1199 1853 2507 4301 20383 27577 42619 468809