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42533460 = 22325236297
BaseRepresentation
bin1010001001000…
…0001001010100
32222000220221100
42202100021110
541342032320
64115350100
71024346154
oct242201124
988026840
1042533460
1122011022
12122b2330
138a72a38
145912764
153b02790
hex2890254

42533460 has 36 divisors (see below), whose sum is σ = 129018708. Its totient is φ = 11342208.

The previous prime is 42533429. The next prime is 42533467. The reversal of 42533460 is 6433524.

42533460 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 5225796 + 37307664 = 2286^2 + 6108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117969 + ... + 118328.

It is an arithmetic number, because the mean of its divisors is an integer number (3583853).

Almost surely, 242533460 is an apocalyptic number.

It is an amenable number.

42533460 is an abundant number, since it is smaller than the sum of its proper divisors (86485248).

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

42533460 is a wasteful number, since it uses less digits than its factorization.

42533460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236312 (or 236307 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 42533460 is about 6521.7681651528. The cubic root of 42533460 is about 349.0681607306.

Adding to 42533460 its reverse (6433524), we get a palindrome (48966984).

The spelling of 42533460 in words is "forty-two million, five hundred thirty-three thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 236297 472594 708891 945188 1181485 1417782 2126673 2362970 2835564 3544455 4253346 4725940 7088910 8506692 10633365 14177820 21266730 42533460