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53159159 = 531003003
BaseRepresentation
bin1100101011001…
…0010011110111
310201000202122202
43022302103313
5102102043114
65135215115
71213562654
oct312622367
9121022582
1053159159
1128009299
121597749b
13b023331
1470bac2b
154a00cde
hex32b24f7

53159159 has 4 divisors (see below), whose sum is σ = 54162216. Its totient is φ = 52156104.

The previous prime is 53159149. The next prime is 53159167. The reversal of 53159159 is 95195135.

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

It is a cyclic number.

It is not a de Polignac number, because 53159159 - 24 = 53159143 is a prime.

It is a super-3 number, since 3×531591593 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

53159159 is a modest number, since divided by 159159 gives 53 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53159149) 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, 501449 + ... + 501554.

It is an arithmetic number, because the mean of its divisors is an integer number (13540554).

Almost surely, 253159159 is an apocalyptic number.

53159159 is a deficient number, since it is larger than the sum of its proper divisors (1003057).

53159159 is a wasteful number, since it uses less digits than its factorization.

53159159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003056.

The product of its digits is 30375, while the sum is 38.

The square root of 53159159 is about 7291.0327800662. The cubic root of 53159159 is about 376.0042038726.

The spelling of 53159159 in words is "fifty-three million, one hundred fifty-nine thousand, one hundred fifty-nine".

Divisors: 1 53 1003003 53159159