Search a number
-
+
1238088222 = 2327191035021
BaseRepresentation
bin100100111001011…
…1011101000011110
310012021200101202100
41021302323220132
510013422310342
6322504305530
742452401440
oct11162735036
93167611670
101238088222
11585961008
122a67722a6
1316966baa7
14ba606490
1573a60e4c
hex49cbba1e

1238088222 has 96 divisors (see below), whose sum is σ = 3259077120. Its totient is φ = 331801920.

The previous prime is 1238088221. The next prime is 1238088239. The reversal of 1238088222 is 2228808321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238088221) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 244072 + ... + 249092.

It is an arithmetic number, because the mean of its divisors is an integer number (33948720).

Almost surely, 21238088222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238088222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629538560).

1238088222 is an abundant number, since it is smaller than the sum of its proper divisors (2020988898).

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

1238088222 is a wasteful number, since it uses less digits than its factorization.

1238088222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1238088222 is about 35186.4778288478. The cubic root of 1238088222 is about 1073.7846649630.

The spelling of 1238088222 in words is "one billion, two hundred thirty-eight million, eighty-eight thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 103 114 126 133 171 206 266 309 342 399 618 721 798 927 1197 1442 1854 1957 2163 2394 3914 4326 5021 5871 6489 10042 11742 12978 13699 15063 17613 27398 30126 35147 35226 41097 45189 70294 82194 90378 95399 105441 123291 190798 210882 246582 286197 316323 517163 572394 632646 667793 858591 1034326 1335586 1551489 1717182 2003379 3102978 3620141 4006758 4654467 6010137 7240282 9308934 9826097 10860423 12020274 19652194 21720846 29478291 32581269 58956582 65162538 68782679 88434873 137565358 176869746 206348037 412696074 619044111 1238088222