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234212401 = 491477011
BaseRepresentation
bin11011111010111…
…00110000110001
3121022201020000101
431331130300301
5434424244101
635123552401
75542525663
oct1575346061
9538636011
10234212401
11110230275
126652b701
13396a5727
142316a533
1515866401
hexdf5cc31

234212401 has 4 divisors (see below), whose sum is σ = 234689904. Its totient is φ = 233734900.

The previous prime is 234212387. The next prime is 234212437. The reversal of 234212401 is 104212432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234212401 - 27 = 234212273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234812401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238015 + ... + 238996.

It is an arithmetic number, because the mean of its divisors is an integer number (58672476).

Almost surely, 2234212401 is an apocalyptic number.

It is an amenable number.

234212401 is a deficient number, since it is larger than the sum of its proper divisors (477503).

234212401 is an equidigital number, since it uses as much as digits as its factorization.

234212401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477502.

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

The square root of 234212401 is about 15303.9995099320. Note that the first 3 decimals coincide. The cubic root of 234212401 is about 616.4104065344.

Adding to 234212401 its reverse (104212432), we get a palindrome (338424833).

The spelling of 234212401 in words is "two hundred thirty-four million, two hundred twelve thousand, four hundred one".

Divisors: 1 491 477011 234212401