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814485970 = 25159751001
BaseRepresentation
bin110000100011000…
…001000111010010
32002202121011201001
4300203001013102
53132002022340
6212453132214
726120005444
oct6043010722
92082534631
10814485970
11388835401
121a892a06a
13cc98557c
147a25a494
154b78929a
hex308c11d2

814485970 has 16 divisors (see below), whose sum is σ = 1467021528. Its totient is φ = 325584000.

The previous prime is 814485941. The next prime is 814486007. The reversal of 814485970 is 79584418.

It can be written as a sum of positive squares in 4 ways, for example, as 654387561 + 160098409 = 25581^2 + 12653^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 814485970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9531 + ... + 41470.

Almost surely, 2814485970 is an apocalyptic number.

814485970 is a deficient number, since it is larger than the sum of its proper divisors (652535558).

814485970 is a wasteful number, since it uses less digits than its factorization.

814485970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52605.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 814485970 is about 28539.2005844593. The cubic root of 814485970 is about 933.8874429333.

The spelling of 814485970 in words is "eight hundred fourteen million, four hundred eighty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 1597 3194 7985 15970 51001 102002 255005 510010 81448597 162897194 407242985 814485970