Search a number
-
+
238552041 = 37313171049
BaseRepresentation
bin11100011100000…
…00001111101001
3121121212200212210
432032000033221
5442032131131
635400555333
75624442000
oct1616001751
9547780783
10238552041
11112724752
1267a82b49
133a564a70
1423979c37
1515e22146
hexe3803e9

238552041 has 64 divisors (see below), whose sum is σ = 423360000. Its totient is φ = 118315008.

The previous prime is 238552033. The next prime is 238552051. The reversal of 238552041 is 140255832.

It is not a de Polignac number, because 238552041 - 23 = 238552033 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238552051) 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 63 ways as a sum of consecutive naturals, for example, 226885 + ... + 227933.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 2238552041 is an apocalyptic number.

238552041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

238552041 is a deficient number, since it is larger than the sum of its proper divisors (184807959).

238552041 is a wasteful number, since it uses less digits than its factorization.

238552041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 238552041 is about 15445.1300091647. The cubic root of 238552041 is about 620.1942168168.

The spelling of 238552041 in words is "two hundred thirty-eight million, five hundred fifty-two thousand, forty-one".

Divisors: 1 3 7 13 17 21 39 49 51 91 119 147 221 273 343 357 637 663 833 1029 1049 1547 1911 2499 3147 4459 4641 5831 7343 10829 13377 13637 17493 17833 22029 32487 40911 51401 53499 75803 95459 124831 154203 227409 231829 286377 359807 374493 668213 695487 873817 1079421 1622803 2004639 2621451 4677491 4868409 6116719 11359621 14032473 18350157 34078863 79517347 238552041