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442541141 = 7193327377
BaseRepresentation
bin11010011000001…
…010010001010101
31010211201102022122
4122120022101111
51401242304031
6111525105325
713652352260
oct3230122125
91124642278
10442541141
11207891789
12104258245
13708b7983
1442ab9cd7
1528cb847b
hex1a60a455

442541141 has 8 divisors (see below), whose sum is σ = 532380480. Its totient is φ = 359356608.

The previous prime is 442541129. The next prime is 442541147. The reversal of 442541141 is 141145244.

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 442541141 - 210 = 442540117 is a prime.

It is a super-2 number, since 2×4425411412 = 391685322955163762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442541141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442541147) 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, 1663556 + ... + 1663821.

It is an arithmetic number, because the mean of its divisors is an integer number (66547560).

Almost surely, 2442541141 is an apocalyptic number.

It is an amenable number.

442541141 is a deficient number, since it is larger than the sum of its proper divisors (89839339).

442541141 is a wasteful number, since it uses less digits than its factorization.

442541141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327403.

The product of its digits is 2560, while the sum is 26.

The square root of 442541141 is about 21036.6618311937. The cubic root of 442541141 is about 762.0519003280.

Adding to 442541141 its reverse (141145244), we get a palindrome (583686385).

The spelling of 442541141 in words is "four hundred forty-two million, five hundred forty-one thousand, one hundred forty-one".

Divisors: 1 7 19 133 3327377 23291639 63220163 442541141