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553043442 = 23783158647
BaseRepresentation
bin100000111101101…
…100010111110010
31102112122111222110
4200331230113302
52113034342232
6130513350150
716463535360
oct4075542762
91375574873
10553043442
112641a67a6
12135268356
138a767853
1453642630
1533844acc
hex20f6c5f2

553043442 has 32 divisors (see below), whose sum is σ = 1279337472. Its totient is φ = 156107664.

The previous prime is 553043429. The next prime is 553043453. The reversal of 553043442 is 244340355.

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, 75838 + ... + 82809.

It is an arithmetic number, because the mean of its divisors is an integer number (39979296).

Almost surely, 2553043442 is an apocalyptic number.

553043442 is an abundant number, since it is smaller than the sum of its proper divisors (726294030).

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

553043442 is a wasteful number, since it uses less digits than its factorization.

553043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158742.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 553043442 is about 23516.8756853456. The cubic root of 553043442 is about 820.8297381538.

Adding to 553043442 its reverse (244340355), we get a palindrome (797383797).

The spelling of 553043442 in words is "five hundred fifty-three million, forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 158647 317294 475941 951882 1110529 2221058 3331587 6663174 13167701 26335402 39503103 79006206 92173907 184347814 276521721 553043442