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51023255 = 589114659
BaseRepresentation
bin1100001010100…
…0110110010111
310120000020202012
43002220312113
5101030221010
65021334435
71156455563
oct302506627
9116006665
1051023255
112688a588
121510741b
13a75609a
146ac26a3
15472d005
hex30a8d97

51023255 has 8 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 40359616.

The previous prime is 51023237. The next prime is 51023257. The reversal of 51023255 is 55232015.

51023255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51023255 - 26 = 51023191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51023255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56885 + ... + 57774.

It is an arithmetic number, because the mean of its divisors is an integer number (7739550).

Almost surely, 251023255 is an apocalyptic number.

51023255 is a deficient number, since it is larger than the sum of its proper divisors (10893145).

51023255 is a wasteful number, since it uses less digits than its factorization.

51023255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114753.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51023255 is about 7143.0564186488. The cubic root of 51023255 is about 370.8993340703.

The spelling of 51023255 in words is "fifty-one million, twenty-three thousand, two hundred fifty-five".

Divisors: 1 5 89 445 114659 573295 10204651 51023255