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52654321 = 1710330071
BaseRepresentation
bin1100100011011…
…1000011110001
310200002010011001
43020313003301
5101434414241
65120322001
71206361066
oct310670361
9120063131
1052654321
11277a3a75
1215773301
13aba7605
146dc8c6d
154951431
hex32370f1

52654321 has 8 divisors (see below), whose sum is σ = 56294784. Its totient is φ = 49074240.

The previous prime is 52654319. The next prime is 52654331. The reversal of 52654321 is 12345625.

52654321 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 52654321 - 21 = 52654319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52654321.

It is not an unprimeable number, because it can be changed into a prime (52654331) 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, 13285 + ... + 16786.

It is an arithmetic number, because the mean of its divisors is an integer number (7036848).

Almost surely, 252654321 is an apocalyptic number.

It is an amenable number.

52654321 is a deficient number, since it is larger than the sum of its proper divisors (3640463).

52654321 is a wasteful number, since it uses less digits than its factorization.

52654321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30191.

The product of its digits is 7200, while the sum is 28.

The square root of 52654321 is about 7256.3297196310. The cubic root of 52654321 is about 374.8101462681.

Adding to 52654321 its reverse (12345625), we get a palindrome (64999946).

It can be divided in two parts, 52654 and 321, that added together give a triangular number (52975 = T325).

The spelling of 52654321 in words is "fifty-two million, six hundred fifty-four thousand, three hundred twenty-one".

Divisors: 1 17 103 1751 30071 511207 3097313 52654321