Search a number
-
+
234401321 = 71121773223
BaseRepresentation
bin11011111100010…
…10111000101001
3121100001211011102
431332022320221
5440001320241
635132011145
75544243530
oct1576127051
9540054142
10234401321
1111034a200
1266600ab5
133974070b
14231b9317
15158a239b
hexdf8ae29

234401321 has 48 divisors (see below), whose sum is σ = 317463552. Its totient is φ = 168791040.

The previous prime is 234401311. The next prime is 234401329. The reversal of 234401321 is 123104432.

It is not a de Polignac number, because 234401321 - 214 = 234384937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 234401293 and 234401302.

It is not an unprimeable number, because it can be changed into a prime (234401329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1051016 + ... + 1051238.

It is an arithmetic number, because the mean of its divisors is an integer number (6613824).

Almost surely, 2234401321 is an apocalyptic number.

It is an amenable number.

234401321 is a deficient number, since it is larger than the sum of its proper divisors (83062231).

234401321 is a wasteful number, since it uses less digits than its factorization.

234401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234401321 is about 15310.1705085215. The cubic root of 234401321 is about 616.5760979562.

Adding to 234401321 its reverse (123104432), we get a palindrome (357505753).

The spelling of 234401321 in words is "two hundred thirty-four million, four hundred one thousand, three hundred twenty-one".

Divisors: 1 7 11 17 73 77 119 121 187 223 511 803 847 1241 1309 1561 2057 2453 3791 5621 8687 8833 13651 14399 16279 17171 26537 26983 41701 61831 95557 113953 150161 179069 188881 276743 291907 458711 1051127 1253483 1937201 1969759 3044173 3210977 13788313 21309211 33485903 234401321