Search a number
-
+
23048228 = 2273107157
BaseRepresentation
bin101011111101…
…1000000100100
31121100222020002
41113323000210
521400020403
62142000432
7366623000
oct127730044
947328202
1023048228
1112012525
127876118
134a0ca08
1430bd700
152054188
hex15fb024

23048228 has 48 divisors (see below), whose sum is σ = 47779200. Its totient is φ = 9723168.

The previous prime is 23048227. The next prime is 23048237. The reversal of 23048228 is 82284032.

It is a self number, because there is not a number n which added to its sum of digits gives 23048228.

It is not an unprimeable number, because it can be changed into a prime (23048227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146726 + ... + 146882.

It is an arithmetic number, because the mean of its divisors is an integer number (995400).

Almost surely, 223048228 is an apocalyptic number.

23048228 is a gapful number since it is divisible by the number (28) 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 23048228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23889600).

23048228 is an abundant number, since it is smaller than the sum of its proper divisors (24730972).

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

23048228 is a wasteful number, since it uses less digits than its factorization.

23048228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 23048228 is about 4800.8570068270. The cubic root of 23048228 is about 284.5853331497.

The spelling of 23048228 in words is "twenty-three million, forty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 107 157 196 214 314 343 428 628 686 749 1099 1372 1498 2198 2996 4396 5243 7693 10486 15386 16799 20972 30772 33598 36701 53851 67196 73402 107702 117593 146804 215404 235186 470372 823151 1646302 3292604 5762057 11524114 23048228