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2230331200 = 26521393957
BaseRepresentation
bin1000010011110000…
…0010011101000000
312202102202120020021
42010330002131000
514031431044300
61005151423224
7106161334216
oct20474023500
95672676207
102230331200
11a44a66929
12522b24b14
132970c1306
141722d4cb6
15d0c0dd1a
hex84f02740

2230331200 has 42 divisors (see below), whose sum is σ = 5488012646. Its totient is φ = 892131840.

The previous prime is 2230331179. The next prime is 2230331237. The reversal of 2230331200 is 21330322.

It can be written as a sum of positive squares in 3 ways, for example, as 16064064 + 2214267136 = 4008^2 + 47056^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695379 + ... + 698578.

Almost surely, 22230331200 is an apocalyptic number.

2230331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230331200 is an abundant number, since it is smaller than the sum of its proper divisors (3257681446).

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

2230331200 is a wasteful number, since it uses less digits than its factorization.

2230331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393979 (or 1393964 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2230331200 is about 47226.3824572664. The cubic root of 2230331200 is about 1306.5412323481.

Adding to 2230331200 its reverse (21330322), we get a palindrome (2251661522).

The spelling of 2230331200 in words is "two billion, two hundred thirty million, three hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 1393957 2787914 5575828 6969785 11151656 13939570 22303312 27879140 34848925 44606624 55758280 69697850 89213248 111516560 139395700 223033120 278791400 446066240 557582800 1115165600 2230331200