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2234442400 = 25527338261
BaseRepresentation
bin1000010100101110…
…1110001010100000
312202201111102201221
42011023232022200
514034004124100
61005415504424
7106241306221
oct20513561240
95681442657
102234442400
11a47314713
12524388114
13297c00688
14172a85248
15d127201a
hex852ee2a0

2234442400 has 72 divisors (see below), whose sum is σ = 5529700764. Its totient is φ = 881510400.

The previous prime is 2234442377. The next prime is 2234442421. The reversal of 2234442400 is 42444322.

It can be written as a sum of positive squares in 6 ways, for example, as 1461379984 + 773062416 = 38228^2 + 27804^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39270 + ... + 77530.

Almost surely, 22234442400 is an apocalyptic number.

2234442400 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 2234442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764850382).

2234442400 is an abundant number, since it is smaller than the sum of its proper divisors (3295258364).

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

2234442400 is a wasteful number, since it uses less digits than its factorization.

2234442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38354 (or 38341 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2234442400 is about 47269.8889357697. Note that the first 3 decimals coincide. The cubic root of 2234442400 is about 1307.3435280291.

Adding to 2234442400 its reverse (42444322), we get a palindrome (2276886722).

The spelling of 2234442400 in words is "two billion, two hundred thirty-four million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 73 80 100 146 160 200 292 365 400 584 730 800 1168 1460 1825 2336 2920 3650 5840 7300 11680 14600 29200 38261 58400 76522 153044 191305 306088 382610 612176 765220 956525 1224352 1530440 1913050 2793053 3060880 3826100 5586106 6121760 7652200 11172212 13965265 15304400 22344424 27930530 30608800 44688848 55861060 69826325 89377696 111722120 139652650 223444240 279305300 446888480 558610600 1117221200 2234442400