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2258251025 = 522918117209
BaseRepresentation
bin1000011010011010…
…0010110100010001
312211101022001000212
42012212202310101
514111103013100
61012030053505
7106650550142
oct20646426421
95741261025
102258251025
11a597a6468
1253034a295
1329cb18514
14175cc1ac9
15d33c6635
hex869a2d11

2258251025 has 24 divisors (see below), whose sum is σ = 2912964600. Its totient is φ = 1734566400.

The previous prime is 2258250961. The next prime is 2258251043. The reversal of 2258251025 is 5201528522.

It can be written as a sum of positive squares in 12 ways, for example, as 1354166401 + 904084624 = 36799^2 + 30068^2 .

It is not a de Polignac number, because 2258251025 - 26 = 2258250961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2258250982 and 2258251000.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 122621 + ... + 139829.

It is an arithmetic number, because the mean of its divisors is an integer number (121373525).

Almost surely, 22258251025 is an apocalyptic number.

2258251025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2258251025 is a deficient number, since it is larger than the sum of its proper divisors (654713575).

2258251025 is a wasteful number, since it uses less digits than its factorization.

2258251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17429 (or 17424 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 2258251025 is about 47521.0587529361. The cubic root of 2258251025 is about 1311.9705062974.

Adding to 2258251025 its reverse (5201528522), we get a palindrome (7459779547).

The spelling of 2258251025 in words is "two billion, two hundred fifty-eight million, two hundred fifty-one thousand, twenty-five".

Divisors: 1 5 25 29 145 181 725 905 4525 5249 17209 26245 86045 131225 430225 499061 2495305 3114829 12476525 15574145 77870725 90330041 451650205 2258251025