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454542042 = 231812771511
BaseRepresentation
bin11011000101111…
…100001011011010
31011200022010110110
4123011330023122
51412330321132
6113034225150
714156354313
oct3305741332
91150263413
10454542042
11213639189
121082851b6
137322a1b6
144452160a
1529d891cc
hex1b17c2da

454542042 has 32 divisors (see below), whose sum is σ = 918013824. Its totient is φ = 150033600.

The previous prime is 454542013. The next prime is 454542083. The reversal of 454542042 is 240245454.

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, 300067 + ... + 301577.

It is an arithmetic number, because the mean of its divisors is an integer number (28687932).

Almost surely, 2454542042 is an apocalyptic number.

454542042 is an abundant number, since it is smaller than the sum of its proper divisors (463471782).

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

454542042 is a wasteful number, since it uses less digits than its factorization.

454542042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 454542042 is about 21319.9916041259. The cubic root of 454542042 is about 768.8790356736.

Adding to 454542042 its reverse (240245454), we get a palindrome (694787496).

The spelling of 454542042 in words is "four hundred fifty-four million, five hundred forty-two thousand, forty-two".

Divisors: 1 2 3 6 181 277 362 543 554 831 1086 1511 1662 3022 4533 9066 50137 100274 150411 273491 300822 418547 546982 820473 837094 1255641 1640946 2511282 75757007 151514014 227271021 454542042