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2318904025 = 5296312
BaseRepresentation
bin1000101000110111…
…1010101011011001
312222121102112022021
42022031322223121
514222114412100
61022034054441
7111315234064
oct21215725331
95877375267
102318904025
11a8aa62a09
1254871a421
132ac563779
1417dd8d8db
15d88a7a1a
hex8a37aad9

2318904025 has 9 divisors (see below), whose sum is σ = 2875739583. Its totient is φ = 1854930600.

The previous prime is 2318903971. The next prime is 2318904031. The reversal of 2318904025 is 5204098132.

The square root of 2318904025 is 48155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 834805449 + 1484098576 = 28893^2 + 38524^2 .

It is not a de Polignac number, because 2318904025 - 27 = 2318903897 is a prime.

It is a super-2 number, since 2×23189040252 = 10754631754322401250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 235960 + ... + 245590.

Almost surely, 22318904025 is an apocalyptic number.

2318904025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2318904025 is the 48155-th square number.

2318904025 is the 24078-th centered octagonal number.

It is an amenable number.

2318904025 is a deficient number, since it is larger than the sum of its proper divisors (556835558).

2318904025 is an frugal number, since it uses more digits than its factorization.

2318904025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272 (or 9636 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The cubic root of 2318904025 is about 1323.6126977296.

It can be divided in two parts, 231 and 8904025, that added together give a square (8904256 = 29842).

The spelling of 2318904025 in words is "two billion, three hundred eighteen million, nine hundred four thousand, twenty-five".

Divisors: 1 5 25 9631 48155 240775 92756161 463780805 2318904025