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442430241 = 31113406977
BaseRepresentation
bin11010010111101…
…111001100100001
31010211111210012020
4122113233030201
51401230231431
6111522452053
713651411041
oct3227571441
91124453166
10442430241
11207816430
12104204029
1370879356
1442a8b721
1528c95696
hex1a5ef321

442430241 has 8 divisors (see below), whose sum is σ = 643534944. Its totient is φ = 268139520.

The previous prime is 442430213. The next prime is 442430251. The reversal of 442430241 is 142034244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442430241 - 210 = 442429217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442430251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703456 + ... + 6703521.

It is an arithmetic number, because the mean of its divisors is an integer number (80441868).

Almost surely, 2442430241 is an apocalyptic number.

It is an amenable number.

442430241 is a deficient number, since it is larger than the sum of its proper divisors (201104703).

442430241 is a wasteful number, since it uses less digits than its factorization.

442430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406991.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442430241 is about 21034.0257915597. The cubic root of 442430241 is about 761.9882387394.

Adding to 442430241 its reverse (142034244), we get a palindrome (584464485).

The spelling of 442430241 in words is "four hundred forty-two million, four hundred thirty thousand, two hundred forty-one".

Divisors: 1 3 11 33 13406977 40220931 147476747 442430241