Search a number
-
+
230528160 = 25335174373
BaseRepresentation
bin11011011110110…
…01010010100000
3121001210001012000
431233121102200
5433003400120
634513004000
75466312522
oct1557312240
9531701160
10230528160
11109144245
1265253600
13389b57c5
142288ba12
1515389990
hexdbd94a0

230528160 has 384 divisors, whose sum is σ = 886152960. Its totient is φ = 55738368.

The previous prime is 230528153. The next prime is 230528161. The reversal of 230528160 is 61825032.

230528160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (230528161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3157884 + ... + 3157956.

It is an arithmetic number, because the mean of its divisors is an integer number (2307690).

Almost surely, 2230528160 is an apocalyptic number.

230528160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230528160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443076480).

230528160 is an abundant number, since it is smaller than the sum of its proper divisors (655624800).

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

230528160 is a wasteful number, since it uses less digits than its factorization.

230528160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 230528160 is about 15183.1538225759. The cubic root of 230528160 is about 613.1611940777.

The spelling of 230528160 in words is "two hundred thirty million, five hundred twenty-eight thousand, one hundred sixty".