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234142201 = 298073869
BaseRepresentation
bin11011111010010…
…11100111111001
3121022120122201101
431331023213321
5434420022301
635122251401
75542114216
oct1575134771
9538518641
10234142201
11110192557
12664b6b61
133967c7a7
142314cb0d
1515850701
hexdf4b9f9

234142201 has 4 divisors (see below), whose sum is σ = 242216100. Its totient is φ = 226068304.

The previous prime is 234142159. The next prime is 234142211. The reversal of 234142201 is 102241432.

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 40960000 + 193182201 = 6400^2 + 13899^2 .

It is a cyclic number.

It is not a de Polignac number, because 234142201 - 29 = 234141689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234142211) 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, 4036906 + ... + 4036963.

It is an arithmetic number, because the mean of its divisors is an integer number (60554025).

Almost surely, 2234142201 is an apocalyptic number.

It is an amenable number.

234142201 is a deficient number, since it is larger than the sum of its proper divisors (8073899).

234142201 is an equidigital number, since it uses as much as digits as its factorization.

234142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073898.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 234142201 is about 15301.7058199405. The cubic root of 234142201 is about 616.3488152404.

Adding to 234142201 its reverse (102241432), we get a palindrome (336383633).

The spelling of 234142201 in words is "two hundred thirty-four million, one hundred forty-two thousand, two hundred one".

Divisors: 1 29 8073869 234142201