Search a number
-
+
813474 = 232431051
BaseRepresentation
bin11000110100110100010
31112022212200
43012212202
5202012344
625234030
76625434
oct3064642
91468780
10813474
115061a2
12332916
1322635c
14172654
15111069
hexc69a2

813474 has 24 divisors (see below), whose sum is σ = 1805232. Its totient is φ = 264600.

The previous prime is 813443. The next prime is 813493. The reversal of 813474 is 474318.

It is a Curzon number.

It is an unprimeable number.

813474 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (75218).

2813474 is an apocalyptic number.

813474 is an abundant number, since it is smaller than the sum of its proper divisors (991758).

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

813474 is a wasteful number, since it uses less digits than its factorization.

813474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 813474 is about 901.9279350369. The cubic root of 813474 is about 93.3500508603.

The spelling of 813474 in words is "eight hundred thirteen thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 1051 2102 3153 6306 9459 18918 45193 90386 135579 271158 406737 813474