[go: up one dir, main page]

Search a number
-
+
233124321 = 3199390493
BaseRepresentation
bin11011110010100…
…11000111100001
3121020122221110010
431321103013201
5434134434241
635044355133
75530344513
oct1571230741
9536587403
10233124321
1110a657831
12660a5aa9
13393b43b1
1422d65bb3
15156edd16
hexde531e1

233124321 has 8 divisors (see below), whose sum is σ = 312395200. Its totient is φ = 154634832.

The previous prime is 233124257. The next prime is 233124337. The reversal of 233124321 is 123421332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 233124321 - 26 = 233124257 is a prime.

It is a super-3 number, since 3×2331243213 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233124391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194650 + ... + 195843.

It is an arithmetic number, because the mean of its divisors is an integer number (39049400).

Almost surely, 2233124321 is an apocalyptic number.

It is an amenable number.

233124321 is a deficient number, since it is larger than the sum of its proper divisors (79270879).

233124321 is a wasteful number, since it uses less digits than its factorization.

233124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390695.

The product of its digits is 864, while the sum is 21.

The square root of 233124321 is about 15268.4092491654. The cubic root of 233124321 is about 615.4543723957.

Adding to 233124321 its reverse (123421332), we get a palindrome (356545653).

The spelling of 233124321 in words is "two hundred thirty-three million, one hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 3 199 597 390493 1171479 77708107 233124321