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242431201 = 2310540487
BaseRepresentation
bin11100111001100…
…11010011100001
3121220011210002101
432130303103201
5444030244301
640020050401
76002426335
oct1634632341
9556153071
10242431201
11114934171
1269233a01
133b2c261c
14242a97c5
151643b701
hexe7334e1

242431201 has 4 divisors (see below), whose sum is σ = 252971712. Its totient is φ = 231890692.

The previous prime is 242431187. The next prime is 242431207. The reversal of 242431201 is 102134242.

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 not a de Polignac number, because 242431201 - 211 = 242429153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242431207) 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, 5270221 + ... + 5270266.

It is an arithmetic number, because the mean of its divisors is an integer number (63242928).

Almost surely, 2242431201 is an apocalyptic number.

It is an amenable number.

242431201 is a deficient number, since it is larger than the sum of its proper divisors (10540511).

242431201 is a wasteful number, since it uses less digits than its factorization.

242431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540510.

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

The square root of 242431201 is about 15570.2023429370. The cubic root of 242431201 is about 623.5378736859.

Adding to 242431201 its reverse (102134242), we get a palindrome (344565443).

The spelling of 242431201 in words is "two hundred forty-two million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 23 10540487 242431201