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42303053 = 133254081
BaseRepresentation
bin1010000101011…
…1111001001101
32221121012212202
42201113321031
541312144203
64110411245
71022366342
oct241277115
987535782
1042303053
1121973a01
1212200b25
1389c1bc0
1458927c9
153aa9388
hex2857e4d

42303053 has 4 divisors (see below), whose sum is σ = 45557148. Its totient is φ = 39048960.

The previous prime is 42303031. The next prime is 42303067. The reversal of 42303053 is 35030324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 22259524 = 4477^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 42303053 - 212 = 42298957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627028 + ... + 1627053.

It is an arithmetic number, because the mean of its divisors is an integer number (11389287).

Almost surely, 242303053 is an apocalyptic number.

It is an amenable number.

42303053 is a deficient number, since it is larger than the sum of its proper divisors (3254095).

42303053 is a wasteful number, since it uses less digits than its factorization.

42303053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254094.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 42303053 is about 6504.0797196836. The cubic root of 42303053 is about 348.4367095225.

Adding to 42303053 its reverse (35030324), we get a palindrome (77333377).

The spelling of 42303053 in words is "forty-two million, three hundred three thousand, fifty-three".

Divisors: 1 13 3254081 42303053