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2252530220 = 225112626511
BaseRepresentation
bin1000011001000010…
…1110001000101100
312210222112101120012
42012100232020230
514103121431340
61011303312352
7106551122333
oct20620561054
95728471505
102252530220
11a56549326
1252a44b6b8
1329b894625
14175232d1a
15d2b46565
hex8642e22c

2252530220 has 12 divisors (see below), whose sum is σ = 4730313504. Its totient is φ = 901012080.

The previous prime is 2252530219. The next prime is 2252530223. The reversal of 2252530220 is 220352522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2252530223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56313236 + ... + 56313275.

It is an arithmetic number, because the mean of its divisors is an integer number (394192792).

Almost surely, 22252530220 is an apocalyptic number.

2252530220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252530220 is an abundant number, since it is smaller than the sum of its proper divisors (2477783284).

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

2252530220 is a wasteful number, since it uses less digits than its factorization.

2252530220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112626520 (or 112626518 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2252530220 is about 47460.8282692159. The cubic root of 2252530220 is about 1310.8617021570.

Adding to 2252530220 its reverse (220352522), we get a palindrome (2472882742).

The spelling of 2252530220 in words is "two billion, two hundred fifty-two million, five hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 112626511 225253022 450506044 563132555 1126265110 2252530220