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42534453 = 3131090627
BaseRepresentation
bin1010001001000…
…0011000110101
32222000222022010
42202100120311
541342100303
64115354433
71024352103
oct242203065
988028263
1042534453
1122011845
12122b2a19
138a73320
145912c73
153b02c03
hex2890635

42534453 has 8 divisors (see below), whose sum is σ = 61075168. Its totient is φ = 26175024.

The previous prime is 42534451. The next prime is 42534463. The reversal of 42534453 is 35443524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42534453 - 21 = 42534451 is a prime.

It is a super-3 number, since 3×425344533 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42534453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534451) 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, 545275 + ... + 545352.

It is an arithmetic number, because the mean of its divisors is an integer number (7634396).

Almost surely, 242534453 is an apocalyptic number.

It is an amenable number.

42534453 is a deficient number, since it is larger than the sum of its proper divisors (18540715).

42534453 is a wasteful number, since it uses less digits than its factorization.

42534453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090643.

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

The square root of 42534453 is about 6521.8442943695. The cubic root of 42534453 is about 349.0708771958.

Adding to 42534453 its reverse (35443524), we get a palindrome (77977977).

The spelling of 42534453 in words is "forty-two million, five hundred thirty-four thousand, four hundred fifty-three".

Divisors: 1 3 13 39 1090627 3271881 14178151 42534453