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2252005450 = 25245040109
BaseRepresentation
bin1000011000111010…
…1110000001001010
312210221112201201021
42012032232001022
514103003133300
61011244143054
7106543505362
oct20616560112
95727481637
102252005450
11a56220032
1252a237a8a
1329b73c806
141751379a2
15d2a90d1a
hex863ae04a

2252005450 has 12 divisors (see below), whose sum is σ = 4188730230. Its totient is φ = 900802160.

The previous prime is 2252005433. The next prime is 2252005451. The reversal of 2252005450 is 545002522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1155932001 + 1096073449 = 33999^2 + 33107^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2252005451) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22520005 + ... + 22520104.

Almost surely, 22252005450 is an apocalyptic number.

2252005450 is a deficient number, since it is larger than the sum of its proper divisors (1936724780).

2252005450 is a wasteful number, since it uses less digits than its factorization.

2252005450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45040121 (or 45040116 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2252005450 is about 47455.2994933127. The cubic root of 2252005450 is about 1310.7598974818.

Adding to 2252005450 its reverse (545002522), we get a palindrome (2797007972).

The spelling of 2252005450 in words is "two billion, two hundred fifty-two million, five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 45040109 90080218 225200545 450401090 1126002725 2252005450