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2257020325 = 52712897259
BaseRepresentation
bin1000011010000111…
…0110010110100101
312211021222111211101
42012201312112211
514110244122300
61011543440101
7106634233120
oct20641662645
95737874741
102257020325
11a5903585a
1252ba56031
1329c7a72b1
14175a813b7
15d3231b6a
hex868765a5

2257020325 has 12 divisors (see below), whose sum is σ = 3198520480. Its totient is φ = 1547670960.

The previous prime is 2257020307. The next prime is 2257020341. The reversal of 2257020325 is 5230207522.

It is not a de Polignac number, because 2257020325 - 29 = 2257019813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2257020293 and 2257020302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6448455 + ... + 6448804.

Almost surely, 22257020325 is an apocalyptic number.

2257020325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2257020325 is a deficient number, since it is larger than the sum of its proper divisors (941500155).

2257020325 is a wasteful number, since it uses less digits than its factorization.

2257020325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897276 (or 12897271 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 2257020325 is about 47508.1079922154. The cubic root of 2257020325 is about 1311.7321307451.

Adding to 2257020325 its reverse (5230207522), we get a palindrome (7487227847).

The spelling of 2257020325 in words is "two billion, two hundred fifty-seven million, twenty thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 12897259 64486295 90280813 322431475 451404065 2257020325