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52428276 = 2233485447
BaseRepresentation
bin1100011111111…
…1110111110100
310122122122002000
43013333313310
5101410201101
65111415300
71204430055
oct307776764
9118578060
1052428276
112765a15a
1215684530
13ab28764
146d6a72c
154909486
hex31ffdf4

52428276 has 24 divisors (see below), whose sum is σ = 135925440. Its totient is φ = 17476056.

The previous prime is 52428263. The next prime is 52428281. The reversal of 52428276 is 67282425.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52428276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242616 + ... + 242831.

It is an arithmetic number, because the mean of its divisors is an integer number (5663560).

Almost surely, 252428276 is an apocalyptic number.

It is an amenable number.

52428276 is an abundant number, since it is smaller than the sum of its proper divisors (83497164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52428276 is a wasteful number, since it uses less digits than its factorization.

52428276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485460 (or 485452 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 52428276 is about 7240.7372552800. The cubic root of 52428276 is about 374.2730235915.

The spelling of 52428276 in words is "fifty-two million, four hundred twenty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 485447 970894 1456341 1941788 2912682 4369023 5825364 8738046 13107069 17476092 26214138 52428276