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42342053 = 1317414673
BaseRepresentation
bin1010000110000…
…1011010100101
32221200012101012
42201201122211
541314421203
64111312005
71022621135
oct241413245
987605335
1042342053
11219a0236
121221b605
138a06890
1458a2ac5
153ab5bd8
hex28616a5

42342053 has 16 divisors (see below), whose sum is σ = 49469616. Its totient is φ = 35880960.

The previous prime is 42342049. The next prime is 42342073. The reversal of 42342053 is 35024324.

It can be written as a sum of positive squares in 8 ways, for example, as 66049 + 42276004 = 257^2 + 6502^2 .

It is a cyclic number.

It is not a de Polignac number, because 42342053 - 22 = 42342049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6725 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (3091851).

Almost surely, 242342053 is an apocalyptic number.

It is an amenable number.

42342053 is a deficient number, since it is larger than the sum of its proper divisors (7127563).

42342053 is a wasteful number, since it uses less digits than its factorization.

42342053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42342053 is about 6507.0771472298. The cubic root of 42342053 is about 348.5437534736.

Adding to 42342053 its reverse (35024324), we get a palindrome (77366377).

The spelling of 42342053 in words is "forty-two million, three hundred forty-two thousand, fifty-three".

Divisors: 1 13 17 41 221 533 697 4673 9061 60749 79441 191593 1032733 2490709 3257081 42342053