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42231201 = 314077067
BaseRepresentation
bin1010000100011…
…0010110100001
32221110120022120
42201012112201
541302344301
64105054453
71021650015
oct241062641
987416276
1042231201
1121924a21
1212187429
13899829c
145874545
153a92e36
hex28465a1

42231201 has 4 divisors (see below), whose sum is σ = 56308272. Its totient is φ = 28154132.

The previous prime is 42231191. The next prime is 42231223. The reversal of 42231201 is 10213224.

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 42231201 - 25 = 42231169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42231701) 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, 7038531 + ... + 7038536.

It is an arithmetic number, because the mean of its divisors is an integer number (14077068).

Almost surely, 242231201 is an apocalyptic number.

It is an amenable number.

42231201 is a deficient number, since it is larger than the sum of its proper divisors (14077071).

42231201 is a wasteful number, since it uses less digits than its factorization.

42231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14077070.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42231201 is about 6498.5537621843. The cubic root of 42231201 is about 348.2393237501.

Adding to 42231201 its reverse (10213224), we get a palindrome (52444425).

The spelling of 42231201 in words is "forty-two million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 3 14077067 42231201