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233201401 = 593393257
BaseRepresentation
bin11011110011001…
…01111011111001
3121020210212011221
431321211323321
5434144421101
635050152041
75531115316
oct1571457371
9536725157
10233201401
1110a6aa734
1266122621
13394104c4
1422d85d0d
1515716aa1
hexde65ef9

233201401 has 4 divisors (see below), whose sum is σ = 233595252. Its totient is φ = 232807552.

The previous prime is 233201333. The next prime is 233201407. The reversal of 233201401 is 104102332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131675625 + 101525776 = 11475^2 + 10076^2 .

It is a cyclic number.

It is not a de Polignac number, because 233201401 - 215 = 233168633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233201407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196036 + ... + 197221.

It is an arithmetic number, because the mean of its divisors is an integer number (58398813).

Almost surely, 2233201401 is an apocalyptic number.

It is an amenable number.

233201401 is a deficient number, since it is larger than the sum of its proper divisors (393851).

233201401 is an equidigital number, since it uses as much as digits as its factorization.

233201401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393850.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 233201401 is about 15270.9332065856. The cubic root of 233201401 is about 615.5221960006.

Adding to 233201401 its reverse (104102332), we get a palindrome (337303733).

The spelling of 233201401 in words is "two hundred thirty-three million, two hundred one thousand, four hundred one".

Divisors: 1 593 393257 233201401