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52828816 = 2419173779
BaseRepresentation
bin1100100110000…
…1101010010000
310200101222111211
43021201222100
5102011010231
65124145504
71211015605
oct311415220
9120358454
1052828816
1127903087
1215838294
13ac38b71
1470326ac
154987eb1
hex3261a90

52828816 has 20 divisors (see below), whose sum is σ = 107743600. Its totient is φ = 25024032.

The previous prime is 52828813. The next prime is 52828817. The reversal of 52828816 is 61882825.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52828813) 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, 86586 + ... + 87193.

It is an arithmetic number, because the mean of its divisors is an integer number (5387180).

Almost surely, 252828816 is an apocalyptic number.

It is an amenable number.

52828816 is an abundant number, since it is smaller than the sum of its proper divisors (54914784).

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

52828816 is a wasteful number, since it uses less digits than its factorization.

52828816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173806 (or 173800 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 52828816 is about 7268.3434151119. The cubic root of 52828816 is about 375.2237266453.

The spelling of 52828816 in words is "fifty-two million, eight hundred twenty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 173779 347558 695116 1390232 2780464 3301801 6603602 13207204 26414408 52828816