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2250600040 = 2351325772
BaseRepresentation
bin1000011000100101…
…0110111001101000
312210211220022212001
42012021112321220
514102123200130
61011154100344
7106525533103
oct20611267150
95724808761
102250600040
11a55450137
1252987a6b4
1329b369c00
14174c8d73a
15d28b46ca
hex86256e68

2250600040 has 72 divisors (see below), whose sum is σ = 5492860290. Its totient is φ = 829550592.

The previous prime is 2250600019. The next prime is 2250600041. The reversal of 2250600040 is 400060522.

It can be written as a sum of positive squares in 9 ways, for example, as 788149476 + 1462450564 = 28074^2 + 38242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2250599990 and 2250600017.

It is not an unprimeable number, because it can be changed into a prime (2250600041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3900232 + ... + 3900808.

Almost surely, 22250600040 is an apocalyptic number.

2250600040 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 2250600040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2746430145).

2250600040 is an abundant number, since it is smaller than the sum of its proper divisors (3242260250).

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

2250600040 is an equidigital number, since it uses as much as digits as its factorization.

2250600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2250600040 is about 47440.4894578460. The cubic root of 2250600040 is about 1310.4871719115.

Adding to 2250600040 its reverse (400060522), we get a palindrome (2650660562).

The spelling of 2250600040 in words is "two billion, two hundred fifty million, six hundred thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 577 676 845 1154 1352 1690 2308 2885 3380 4616 5770 6760 7501 11540 15002 23080 30004 37505 60008 75010 97513 150020 195026 300040 332929 390052 487565 665858 780104 975130 1331716 1664645 1950260 2663432 3329290 3900520 4328077 6658580 8656154 13317160 17312308 21640385 34624616 43280770 56265001 86561540 112530002 173123080 225060004 281325005 450120008 562650010 1125300020 2250600040