Search a number
-
+
23282128 = 242950177
BaseRepresentation
bin101100011010…
…0000111010000
31121210212002001
41120310013100
521430012003
62151003344
7401615632
oct130640720
947725061
1023282128
1112162231
127969554
134a9230c
143140a52
15209d61d
hex16341d0

23282128 has 20 divisors (see below), whose sum is σ = 46665540. Its totient is φ = 11239424.

The previous prime is 23282123. The next prime is 23282131. The reversal of 23282128 is 82128232.

It can be written as a sum of positive squares in 2 ways, for example, as 19998784 + 3283344 = 4472^2 + 1812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23282096 and 23282105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23282123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24625 + ... + 25552.

It is an arithmetic number, because the mean of its divisors is an integer number (2333277).

Almost surely, 223282128 is an apocalyptic number.

It is an amenable number.

23282128 is an abundant number, since it is smaller than the sum of its proper divisors (23383412).

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

23282128 is a wasteful number, since it uses less digits than its factorization.

23282128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50214 (or 50208 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 23282128 is about 4825.1557487816. The cubic root of 23282128 is about 285.5447792659.

The spelling of 23282128 in words is "twenty-three million, two hundred eighty-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 29 58 116 232 464 50177 100354 200708 401416 802832 1455133 2910266 5820532 11641064 23282128