Search a number
-
+
51033023 = 471085809
BaseRepresentation
bin1100001010101…
…1001110111111
310120000202010222
43002223032333
5101031024043
65021451555
71156526216
oct302531677
9116022128
1051033023
1126896958
1215110bbb
13a75a672
146ac607d
154730d68
hex30ab3bf

51033023 has 4 divisors (see below), whose sum is σ = 52118880. Its totient is φ = 49947168.

The previous prime is 51033019. The next prime is 51033043. The reversal of 51033023 is 32033015.

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 51033023 - 22 = 51033019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51032992 and 51033010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033043) 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, 542858 + ... + 542951.

It is an arithmetic number, because the mean of its divisors is an integer number (13029720).

Almost surely, 251033023 is an apocalyptic number.

51033023 is a deficient number, since it is larger than the sum of its proper divisors (1085857).

51033023 is a wasteful number, since it uses less digits than its factorization.

51033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085856.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 51033023 is about 7143.7401268523. The cubic root of 51033023 is about 370.9230011447.

Adding to 51033023 its reverse (32033015), we get a palindrome (83066038).

It can be divided in two parts, 510 and 33023, that added together give a palindrome (33533).

The spelling of 51033023 in words is "fifty-one million, thirty-three thousand, twenty-three".

Divisors: 1 47 1085809 51033023