Search a number
-
+
828570632 = 23101772
BaseRepresentation
bin110001011000101…
…111110000001000
32010202002202020012
4301120233300020
53144103230012
6214115051052
726350506551
oct6130576010
92122082205
10828570632
1139578541a
121b15a0a88
131028773a6
147c085328
154cb1c622
hex3162fc08

828570632 has 12 divisors (see below), whose sum is σ = 1553722605. Its totient is φ = 414244608.

The previous prime is 828570623. The next prime is 828570647. The reversal of 828570632 is 236075828.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 807355396 + 21215236 = 28414^2 + 4606^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=20354.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 828570632.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 76328 + ... + 86504.

Almost surely, 2828570632 is an apocalyptic number.

It is an amenable number.

828570632 is a deficient number, since it is larger than the sum of its proper divisors (725151973).

828570632 is an frugal number, since it uses more digits than its factorization.

828570632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20360 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 828570632 is about 28784.9028485420. The cubic root of 828570632 is about 939.2398532436.

The spelling of 828570632 in words is "eight hundred twenty-eight million, five hundred seventy thousand, six hundred thirty-two".

Divisors: 1 2 4 8 10177 20354 40708 81416 103571329 207142658 414285316 828570632