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52828372 = 22292691693
BaseRepresentation
bin1100100110000…
…1100011010100
310200101221220101
43021201203110
5102011001442
65124143444
71211014402
oct311414324
9120357811
1052828372
1127902813
1215837b84
13ac388bc
147032472
154987cb7
hex32618d4

52828372 has 24 divisors (see below), whose sum is σ = 96049800. Its totient is φ = 25393536.

The previous prime is 52828357. The next prime is 52828403. The reversal of 52828372 is 27382825.

It can be written as a sum of positive squares in 4 ways, for example, as 352836 + 52475536 = 594^2 + 7244^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30358 + ... + 32050.

It is an arithmetic number, because the mean of its divisors is an integer number (4002075).

Almost surely, 252828372 is an apocalyptic number.

It is an amenable number.

52828372 is a deficient number, since it is larger than the sum of its proper divisors (43221428).

52828372 is a wasteful number, since it uses less digits than its factorization.

52828372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1993 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 52828372 is about 7268.3128716367. The cubic root of 52828372 is about 375.2226754526. Note that the first 3 decimals are identical.

It can be divided in two parts, 528 and 28372, that added together give a square (28900 = 1702).

The spelling of 52828372 in words is "fifty-two million, eight hundred twenty-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 29 58 116 269 538 1076 1693 3386 6772 7801 15602 31204 49097 98194 196388 455417 910834 1821668 13207093 26414186 52828372