Search a number
-
+
220527400 = 235217371753
BaseRepresentation
bin11010010010011…
…11101100101000
3120100221221201111
431021033230220
5422423334100
633514400104
75315311012
oct1511175450
9510857644
10220527400
11103533555
1261a30034
13368c37b2
14214071b2
15145616ba
hexd24fb28

220527400 has 96 divisors (see below), whose sum is σ = 557877240. Its totient is φ = 80732160.

The previous prime is 220527389. The next prime is 220527403. The reversal of 220527400 is 4725022.

220527400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 21548164 + 198979236 = 4642^2 + 14106^2 .

It is not an unprimeable number, because it can be changed into a prime (220527403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124924 + ... + 126676.

Almost surely, 2220527400 is an apocalyptic number.

220527400 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 220527400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278938620).

220527400 is an abundant number, since it is smaller than the sum of its proper divisors (337349840).

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

220527400 is a wasteful number, since it uses less digits than its factorization.

220527400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 220527400 is about 14850.1649822485. The cubic root of 220527400 is about 604.1630847720.

The spelling of 220527400 in words is "two hundred twenty million, five hundred twenty-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 37 40 50 68 74 85 100 136 148 170 185 200 296 340 370 425 629 680 740 850 925 1258 1480 1700 1753 1850 2516 3145 3400 3506 3700 5032 6290 7012 7400 8765 12580 14024 15725 17530 25160 29801 31450 35060 43825 59602 62900 64861 70120 87650 119204 125800 129722 149005 175300 238408 259444 298010 324305 350600 518888 596020 648610 745025 1102637 1192040 1297220 1490050 1621525 2205274 2594440 2980100 3243050 4410548 5513185 5960200 6486100 8821096 11026370 12972200 22052740 27565925 44105480 55131850 110263700 220527400