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804952144 = 2450309509
BaseRepresentation
bin101111111110101…
…001100001010000
32002002122210202101
4233332221201100
53122031432034
6211512530144
725642660153
oct5776514120
92062583671
10804952144
11383413507
121a56b0954
13ca9c7c59
1478c97c9a
154aa04514
hex2ffa9850

804952144 has 10 divisors (see below), whose sum is σ = 1559594810. Its totient is φ = 402476064.

The previous prime is 804952133. The next prime is 804952147. The reversal of 804952144 is 441259408.

It can be written as a sum of positive squares in only one way, i.e., 536385600 + 268566544 = 23160^2 + 16388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804952147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25154739 + ... + 25154770.

It is an arithmetic number, because the mean of its divisors is an integer number (155959481).

Almost surely, 2804952144 is an apocalyptic number.

It is an amenable number.

804952144 is a deficient number, since it is larger than the sum of its proper divisors (754642666).

804952144 is a wasteful number, since it uses less digits than its factorization.

804952144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50309517 (or 50309511 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 804952144 is about 28371.6785545022. The cubic root of 804952144 is about 930.2293125517.

The spelling of 804952144 in words is "eight hundred four million, nine hundred fifty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 50309509 100619018 201238036 402476072 804952144