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42308153 = 131322963
BaseRepresentation
bin1010000101100…
…1001000111001
32221121110212122
42201121020321
541312330103
64110451025
71022420246
oct241311071
987543778
1042308153
1121977818
1212203a75
1389c4314
1458945cd
153aaab38
hex2859239

42308153 has 4 divisors (see below), whose sum is σ = 42631248. Its totient is φ = 41985060.

The previous prime is 42308141. The next prime is 42308159. The reversal of 42308153 is 35180324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42308153 - 24 = 42308137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42308159) 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 3 ways as a sum of consecutive naturals, for example, 161351 + ... + 161612.

It is an arithmetic number, because the mean of its divisors is an integer number (10657812).

Almost surely, 242308153 is an apocalyptic number.

It is an amenable number.

42308153 is a deficient number, since it is larger than the sum of its proper divisors (323095).

42308153 is a wasteful number, since it uses less digits than its factorization.

42308153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323094.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42308153 is about 6504.4717694829. The cubic root of 42308153 is about 348.4507113158.

Adding to 42308153 its reverse (35180324), we get a palindrome (77488477).

The spelling of 42308153 in words is "forty-two million, three hundred eight thousand, one hundred fifty-three".

Divisors: 1 131 322963 42308153