Search a number
-
+
812251094 = 21972061551
BaseRepresentation
bin110000011010011…
…111011111010110
32002121101122000212
4300122133133112
53130414013334
6212333205422
726062006664
oct6032373726
92077348025
10812251094
113875492a6
121a8030872
13cc382265
1479c37c34
154b496ece
hex3069f7d6

812251094 has 8 divisors (see below), whose sum is σ = 1224561888. Its totient is φ = 404063800.

The previous prime is 812251091. The next prime is 812251127. The reversal of 812251094 is 490152218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 812251094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812251091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030382 + ... + 1031169.

It is an arithmetic number, because the mean of its divisors is an integer number (153070236).

Almost surely, 2812251094 is an apocalyptic number.

812251094 is a deficient number, since it is larger than the sum of its proper divisors (412310794).

812251094 is a wasteful number, since it uses less digits than its factorization.

812251094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061750.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 812251094 is about 28500.0191929760. The cubic root of 812251094 is about 933.0324928651.

The spelling of 812251094 in words is "eight hundred twelve million, two hundred fifty-one thousand, ninety-four".

Divisors: 1 2 197 394 2061551 4123102 406125547 812251094