Search a number
-
+
9228281077 = 60115354877
BaseRepresentation
bin10001001100000110…
…00110010011110101
3212211010122020210001
420212003012103311
5122344414443302
64123414031301
7444454044361
oct104603062365
925733566701
109228281077
113a06140184
121956648531
13b40b5a062
1463787a2a1
15390270787
hex2260c64f5

9228281077 has 4 divisors (see below), whose sum is σ = 9243636556. Its totient is φ = 9212925600.

The previous prime is 9228281063. The next prime is 9228281119. The reversal of 9228281077 is 7701828229.

It is a happy number.

9228281077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7701828229 = 41187849469.

It can be written as a sum of positive squares in 2 ways, for example, as 4772184561 + 4456096516 = 69081^2 + 66754^2 .

It is a cyclic number.

It is not a de Polignac number, because 9228281077 - 219 = 9227756789 is a prime.

It is a super-2 number, since 2×92282810772 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9228281017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7676838 + ... + 7678039.

It is an arithmetic number, because the mean of its divisors is an integer number (2310909139).

Almost surely, 29228281077 is an apocalyptic number.

It is an amenable number.

9228281077 is a deficient number, since it is larger than the sum of its proper divisors (15355479).

9228281077 is a wasteful number, since it uses less digits than its factorization.

9228281077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15355478.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 9228281077 is about 96063.9426475928. The cubic root of 9228281077 is about 2097.5239961777.

The spelling of 9228281077 in words is "nine billion, two hundred twenty-eight million, two hundred eighty-one thousand, seventy-seven".

Divisors: 1 601 15354877 9228281077