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810996484 = 222924912
BaseRepresentation
bin110000010101101…
…101001100000100
32002112000220000211
4300111231030010
53130103341414
6212250245204
726045233144
oct6025551404
92075026024
10810996484
11386871731
121a7726804
13cc03319c
14799cc924
154b2ea3c4
hex3056d304

810996484 has 27 divisors (see below), whose sum is σ = 1472870581. Its totient is φ = 390718160.

The previous prime is 810996481. The next prime is 810996517. The reversal of 810996484 is 484699018.

The square root of 810996484 is 28478.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 425266884 + 385729600 = 20622^2 + 19640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810996481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1651479 + ... + 1651969.

Almost surely, 2810996484 is an apocalyptic number.

810996484 is the 28478-th square number.

It is an amenable number.

810996484 is a deficient number, since it is larger than the sum of its proper divisors (661874097).

810996484 is an equidigital number, since it uses as much as digits as its factorization.

810996484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The cubic root of 810996484 is about 932.5518553199.

Multiplying 810996484 by its sum of digits (49), we get a square (39738827716 = 1993462).

The spelling of 810996484 in words is "eight hundred ten million, nine hundred ninety-six thousand, four hundred eighty-four".

Divisors: 1 2 4 29 58 116 491 841 982 1682 1964 3364 14239 28478 56956 241081 412931 482162 825862 964324 1651724 6991349 13982698 27965396 202749121 405498242 810996484