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442250401 = 4746720149
BaseRepresentation
bin11010010111000…
…011010010100001
31010211011122111111
4122113003102201
51401204003101
6111514543321
713650031525
oct3227032241
91124148444
10442250401
112077032aa
12104137b41
1370815538
1442a41d85
1528c5c251
hex1a5c34a1

442250401 has 8 divisors (see below), whose sum is σ = 452649600. Its totient is φ = 431892528.

The previous prime is 442250383. The next prime is 442250411. The reversal of 442250401 is 104052244.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 442250401 - 29 = 442249889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442250411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11875 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (56581200).

Almost surely, 2442250401 is an apocalyptic number.

It is an amenable number.

442250401 is a deficient number, since it is larger than the sum of its proper divisors (10399199).

442250401 is a wasteful number, since it uses less digits than its factorization.

442250401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 442250401 is about 21029.7503789275. The cubic root of 442250401 is about 761.8849798721.

The spelling of 442250401 in words is "four hundred forty-two million, two hundred fifty thousand, four hundred one".

Divisors: 1 47 467 20149 21949 947003 9409583 442250401