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442885854 = 23294162081
BaseRepresentation
bin11010011001011…
…110011011011110
31010212100221011210
4122121132123132
51401334321404
6111540325250
713655316255
oct3231363336
91125327153
10442885854
11207aa7774
121043a3826
13709a8848
1442b6979c
1528d35689
hex1a65e6de

442885854 has 32 divisors (see below), whose sum is σ = 938679840. Its totient is φ = 139059200.

The previous prime is 442885847. The next prime is 442885867. The reversal of 442885854 is 458588244.

It is a super-2 number, since 2×4428858542 = 392295759346618632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23907 + ... + 38174.

It is an arithmetic number, because the mean of its divisors is an integer number (29333745).

Almost surely, 2442885854 is an apocalyptic number.

442885854 is an abundant number, since it is smaller than the sum of its proper divisors (495793986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442885854 is a wasteful number, since it uses less digits than its factorization.

442885854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62156.

The product of its digits is 1638400, while the sum is 48.

The square root of 442885854 is about 21044.8533850916. The cubic root of 442885854 is about 762.2497132133.

The spelling of 442885854 in words is "four hundred forty-two million, eight hundred eighty-five thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 29 41 58 82 87 123 174 246 1189 2378 3567 7134 62081 124162 186243 372486 1800349 2545321 3600698 5090642 5401047 7635963 10802094 15271926 73814309 147628618 221442927 442885854