Search a number
-
+
2283798978 = 232361335117
BaseRepresentation
bin1000100000100000…
…0000000111000010
312220011101000020100
42020020000013002
514134123031403
61014341423230
7110410654026
oct21010000702
95804330210
102283798978
11a72165a7a
12538a0ab16
132a51c1c56
14179452386
15d57712a3
hex882001c2

2283798978 has 24 divisors (see below), whose sum is σ = 4949741628. Its totient is φ = 761033952.

The previous prime is 2283798977. The next prime is 2283798997. The reversal of 2283798978 is 8798973822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1194600969 + 1089198009 = 34563^2 + 33003^2 .

It is not an unprimeable number, because it can be changed into a prime (2283798977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47476 + ... + 82592.

Almost surely, 22283798978 is an apocalyptic number.

2283798978 is an abundant number, since it is smaller than the sum of its proper divisors (2665942650).

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

2283798978 is a wasteful number, since it uses less digits than its factorization.

2283798978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738 (or 38735 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 2283798978 is about 47789.1094078975. The cubic root of 2283798978 is about 1316.8994756910.

The spelling of 2283798978 in words is "two billion, two hundred eighty-three million, seven hundred ninety-eight thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 9 18 3613 7226 10839 21678 32517 35117 65034 70234 105351 210702 316053 632106 126877721 253755442 380633163 761266326 1141899489 2283798978