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2252501000 = 23538925309
BaseRepresentation
bin1000011001000010…
…0111000000001000
312210222110220110222
42012100213000020
514103120013000
61011302525212
7106550641211
oct20620470010
95728426428
102252501000
11a56529382
1252a436808
1329b884239
14175226408
15d2b3ca85
hex86427008

2252501000 has 64 divisors (see below), whose sum is σ = 5330286000. Its totient is φ = 890841600.

The previous prime is 2252500993. The next prime is 2252501011. The reversal of 2252501000 is 1052522.

It can be written as a sum of positive squares in 8 ways, for example, as 10099684 + 2242401316 = 3178^2 + 47354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2252501000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76346 + ... + 101654.

Almost surely, 22252501000 is an apocalyptic number.

2252501000 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 2252501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665143000).

2252501000 is an abundant number, since it is smaller than the sum of its proper divisors (3077785000).

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

2252501000 is a wasteful number, since it uses less digits than its factorization.

2252501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25419 (or 25405 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2252501000 is about 47460.5204354103. The cubic root of 2252501000 is about 1310.8560339320.

Adding to 2252501000 its reverse (1052522), we get a palindrome (2253553522).

The spelling of 2252501000 in words is "two billion, two hundred fifty-two million, five hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 89 100 125 178 200 250 356 445 500 712 890 1000 1780 2225 3560 4450 8900 11125 17800 22250 25309 44500 50618 89000 101236 126545 202472 253090 506180 632725 1012360 1265450 2252501 2530900 3163625 4505002 5061800 6327250 9010004 11262505 12654500 18020008 22525010 25309000 45050020 56312525 90100040 112625050 225250100 281562625 450500200 563125250 1126250500 2252501000