Search a number
-
+
52921253 = 711687289
BaseRepresentation
bin1100100111100…
…0001110100101
310200120200022102
43021320032211
5102021440003
65130141445
71211552240
oct311701645
9120520272
1052921253
1127966580
1215881885
13ac6bc68
147058257
1549a5588
hex32783a5

52921253 has 8 divisors (see below), whose sum is σ = 65979840. Its totient is φ = 41237280.

The previous prime is 52921243. The next prime is 52921279. The reversal of 52921253 is 35212925.

52921253 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 not a de Polignac number, because 52921253 - 28 = 52920997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52921243) 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, 343568 + ... + 343721.

It is an arithmetic number, because the mean of its divisors is an integer number (8247480).

Almost surely, 252921253 is an apocalyptic number.

It is an amenable number.

52921253 is a deficient number, since it is larger than the sum of its proper divisors (13058587).

52921253 is a wasteful number, since it uses less digits than its factorization.

52921253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687307.

The product of its digits is 5400, while the sum is 29.

The square root of 52921253 is about 7274.6995126947. The cubic root of 52921253 is about 375.4424478419.

The spelling of 52921253 in words is "fifty-two million, nine hundred twenty-one thousand, two hundred fifty-three".

Divisors: 1 7 11 77 687289 4811023 7560179 52921253