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442424301 = 31147285251
BaseRepresentation
bin11010010111101…
…101101111101101
31010211111111001020
4122113231233231
51401230034201
6111522404353
713651354524
oct3227555755
91124444036
10442424301
11207811a20
121042006b9
1370876737
1442a894bb
1528c93a36
hex1a5edbed

442424301 has 16 divisors (see below), whose sum is σ = 657220608. Its totient is φ = 262430000.

The previous prime is 442424299. The next prime is 442424309. The reversal of 442424301 is 103424244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 442424301 - 21 = 442424299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442424309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141075 + ... + 144176.

It is an arithmetic number, because the mean of its divisors is an integer number (41076288).

Almost surely, 2442424301 is an apocalyptic number.

It is an amenable number.

442424301 is a deficient number, since it is larger than the sum of its proper divisors (214796307).

442424301 is a wasteful number, since it uses less digits than its factorization.

442424301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285312.

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

The square root of 442424301 is about 21033.8845912970. The cubic root of 442424301 is about 761.9848286120.

Adding to 442424301 its reverse (103424244), we get a palindrome (545848545).

The spelling of 442424301 in words is "four hundred forty-two million, four hundred twenty-four thousand, three hundred one".

Divisors: 1 3 11 33 47 141 517 1551 285251 855753 3137761 9413283 13406797 40220391 147474767 442424301