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814920734 = 21861218947
BaseRepresentation
bin110000100100101…
…011010000011110
32002210102021002102
4300210223100132
53132104430414
6212510325102
726123466125
oct6044532036
92083367072
10814920734
11389002011
121a8ab9792
13ccaa8424
147a330abc
154b822ede
hex3092b41e

814920734 has 8 divisors (see below), whose sum is σ = 1223043528. Its totient is φ = 407239560.

The previous prime is 814920731. The next prime is 814920749. The reversal of 814920734 is 437029418.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814920731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105752 + ... + 113195.

It is an arithmetic number, because the mean of its divisors is an integer number (152880441).

Almost surely, 2814920734 is an apocalyptic number.

814920734 is a deficient number, since it is larger than the sum of its proper divisors (408122794).

814920734 is a wasteful number, since it uses less digits than its factorization.

814920734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220810.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 814920734 is about 28546.8165300441. The cubic root of 814920734 is about 934.0535797908.

The spelling of 814920734 in words is "eight hundred fourteen million, nine hundred twenty thousand, seven hundred thirty-four".

Divisors: 1 2 1861 3722 218947 437894 407460367 814920734