Search a number
-
+
225452000 = 2553157359
BaseRepresentation
bin11010111000000…
…01111111100000
3120201020011000002
431130001333200
5430203431000
634212115132
75405211314
oct1534017740
9521204002
10225452000
11106297474
1263605aa8
1337929167
1421d29b44
1514bd58d5
hexd701fe0

225452000 has 96 divisors (see below), whose sum is σ = 559016640. Its totient is φ = 89356800.

The previous prime is 225451999. The next prime is 225452021. The reversal of 225452000 is 254522.

225452000 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627821 + ... + 628179.

It is an arithmetic number, because the mean of its divisors is an integer number (5823090).

Almost surely, 2225452000 is an apocalyptic number.

225452000 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 225452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279508320).

225452000 is an abundant number, since it is smaller than the sum of its proper divisors (333564640).

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

225452000 is a wasteful number, since it uses less digits than its factorization.

225452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 225452000 is about 15015.0591074428. The cubic root of 225452000 is about 608.6272094000.

The spelling of 225452000 in words is "two hundred twenty-five million, four hundred fifty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 157 160 200 250 314 359 400 500 628 718 785 800 1000 1256 1436 1570 1795 2000 2512 2872 3140 3590 3925 4000 5024 5744 6280 7180 7850 8975 11488 12560 14360 15700 17950 19625 25120 28720 31400 35900 39250 44875 56363 57440 62800 71800 78500 89750 112726 125600 143600 157000 179500 225452 281815 287200 314000 359000 450904 563630 628000 718000 901808 1127260 1409075 1436000 1803616 2254520 2818150 4509040 5636300 7045375 9018080 11272600 14090750 22545200 28181500 45090400 56363000 112726000 225452000