Search a number
-
+
2289634368 = 263721912809
BaseRepresentation
bin1000100001111001…
…0000110001000000
312220120100110212220
42020132100301000
514142121244433
61015110451040
7110511366600
oct21036206100
95816313786
102289634368
11a7549120a
1253a963a80
132a6486048
1417a130c00
15d60252b3
hex88790c40

2289634368 has 168 divisors, whose sum is σ = 7418527200. Its totient is φ = 619702272.

The previous prime is 2289634357. The next prime is 2289634411. The reversal of 2289634368 is 8634369822.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 2289634368.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172348 + ... + 185156.

It is an arithmetic number, because the mean of its divisors is an integer number (44157900).

Almost surely, 22289634368 is an apocalyptic number.

2289634368 is a gapful number since it is divisible by the number (28) 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 2289634368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709263600).

2289634368 is an abundant number, since it is smaller than the sum of its proper divisors (5128892832).

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

2289634368 is a wasteful number, since it uses less digits than its factorization.

2289634368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857 (or 12840 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The square root of 2289634368 is about 47850.1240123785. The cubic root of 2289634368 is about 1318.0201356566.

The spelling of 2289634368 in words is "two billion, two hundred eighty-nine million, six hundred thirty-four thousand, three hundred sixty-eight".