[go: up one dir, main page]

Search a number
-
+
812054 = 2406027
BaseRepresentation
bin11000110010000010110
31112020221002
43012100112
5201441204
625223302
76621335
oct3062026
91466832
10812054
11505121
12331b32
13225809
14171d1c
1511091e
hexc6416

812054 has 4 divisors (see below), whose sum is σ = 1218084. Its totient is φ = 406026.

The previous prime is 812051. The next prime is 812057. The reversal of 812054 is 450218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450218 = 2225109.

It is an interprime number because it is at equal distance from previous prime (812051) and next prime (812057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203012 + ... + 203015.

It is an arithmetic number, because the mean of its divisors is an integer number (304521).

2812054 is an apocalyptic number.

812054 is a deficient number, since it is larger than the sum of its proper divisors (406030).

812054 is a wasteful number, since it uses less digits than its factorization.

812054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406029.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 812054 is about 901.1403886188. The cubic root of 812054 is about 93.2957019495.

The spelling of 812054 in words is "eight hundred twelve thousand, fifty-four".

Divisors: 1 2 406027 812054