Search a number
-
+
814940 = 22575821
BaseRepresentation
bin11000110111101011100
31112101212222
43012331130
5202034230
625244512
76632630
oct3067534
91471788
10814940
11507305
12333738
13226c19
14172dc0
151116e5
hexc6f5c

814940 has 24 divisors (see below), whose sum is σ = 1956192. Its totient is φ = 279360.

The previous prime is 814939. The next prime is 814943. The reversal of 814940 is 49418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814943) 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, 2771 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (81508).

2814940 is an apocalyptic number.

It is an amenable number.

814940 is an abundant number, since it is smaller than the sum of its proper divisors (1141252).

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

814940 is a wasteful number, since it uses less digits than its factorization.

814940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 814940 is about 902.7402727252. The cubic root of 814940 is about 93.4060940562.

The spelling of 814940 in words is "eight hundred fourteen thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 5821 11642 23284 29105 40747 58210 81494 116420 162988 203735 407470 814940