Search a number
-
+
269997228 = 2232311132141
BaseRepresentation
bin10000000101111…
…101010010101100
3200211001021120100
4100011331102230
51023104402403
642442551100
76455636634
oct2005752254
9624037510
10269997228
11129451a06
1276508490
1343c24797
1427c036c4
1518a842a3
hex1017d4ac

269997228 has 72 divisors (see below), whose sum is σ = 711075456. Its totient is φ = 86284800.

The previous prime is 269997227. The next prime is 269997229. The reversal of 269997228 is 822799962.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (269997227) and next prime (269997229).

It is not an unprimeable number, because it can be changed into a prime (269997223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125038 + ... + 127178.

It is an arithmetic number, because the mean of its divisors is an integer number (9876048).

Almost surely, 2269997228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269997228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355537728).

269997228 is an abundant number, since it is smaller than the sum of its proper divisors (441078228).

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

269997228 is a wasteful number, since it uses less digits than its factorization.

269997228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2290 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 269997228 is about 16431.5923756646. The cubic root of 269997228 is about 646.3281951157.

The spelling of 269997228 in words is "two hundred sixty-nine million, nine hundred ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 113 124 186 226 279 339 372 452 558 678 1017 1116 1356 2034 2141 3503 4068 4282 6423 7006 8564 10509 12846 14012 19269 21018 25692 31527 38538 42036 63054 66371 77076 126108 132742 199113 241933 265484 398226 483866 597339 725799 796452 967732 1194678 1451598 2177397 2389356 2903196 4354794 7499923 8709588 14999846 22499769 29999692 44999538 67499307 89999076 134998614 269997228