Search a number
-
+
28535500352 = 26974596569
BaseRepresentation
bin11010100100110110…
…010010111001000000
32201122200120121112102
4122210312102321000
5431420042002402
621035314445532
72030064515402
oct324466227100
981580517472
1028535500352
1111113600847
1256445938a8
1328c9b52568
141549b46b72
15b20293102
hex6a4d92e40

28535500352 has 28 divisors (see below), whose sum is σ = 57208910220. Its totient is φ = 14120656896.

The previous prime is 28535500339. The next prime is 28535500373. The reversal of 28535500352 is 25300553582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7725706816 + 20809793536 = 87896^2 + 144256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292077 + ... + 2304492.

It is an arithmetic number, because the mean of its divisors is an integer number (2043175365).

Almost surely, 228535500352 is an apocalyptic number.

It is an amenable number.

28535500352 is an abundant number, since it is smaller than the sum of its proper divisors (28673409868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28535500352 is an equidigital number, since it uses as much as digits as its factorization.

28535500352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596678 (or 4596668 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 28535500352 in words is "twenty-eight billion, five hundred thirty-five million, five hundred thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 97 194 388 776 1552 3104 6208 4596569 9193138 18386276 36772552 73545104 147090208 294180416 445867193 891734386 1783468772 3566937544 7133875088 14267750176 28535500352