Search a number
-
+
53158033 = 75170783
BaseRepresentation
bin1100101011001…
…0000010010001
310201000201010001
43022302002101
5102102024113
65135210001
71213556455
oct312620221
9121021101
1053158033
1128008465
1215976901
13b022976
1470ba665
154a007dd
hex32b2091

53158033 has 4 divisors (see below), whose sum is σ = 53229568. Its totient is φ = 53086500.

The previous prime is 53157961. The next prime is 53158051. The reversal of 53158033 is 33085135.

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 a de Polignac number, because none of the positive numbers 2k-53158033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53157992 and 53158010.

It is not an unprimeable number, because it can be changed into a prime (53155033) 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, 34641 + ... + 36142.

It is an arithmetic number, because the mean of its divisors is an integer number (13307392).

Almost surely, 253158033 is an apocalyptic number.

It is an amenable number.

53158033 is a deficient number, since it is larger than the sum of its proper divisors (71535).

53158033 is an equidigital number, since it uses as much as digits as its factorization.

53158033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71534.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53158033 is about 7290.9555615159. The cubic root of 53158033 is about 376.0015490543.

It can be divided in two parts, 531 and 58033, that added together give a square (58564 = 2422).

The spelling of 53158033 in words is "fifty-three million, one hundred fifty-eight thousand, thirty-three".

Divisors: 1 751 70783 53158033