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52897620 = 22357391193
BaseRepresentation
bin1100100111001…
…0011101010100
310200112110220010
43021302131110
5102020210440
65125440220
71211423316
oct311623524
9120473803
1052897620
112794a846
1215870070
13ac61289
14704d7b6
15499d580
hex3272754

52897620 has 48 divisors (see below), whose sum is σ = 148438080. Its totient is φ = 14075136.

The previous prime is 52897601. The next prime is 52897703. The reversal of 52897620 is 2679825.

It is a happy number.

52897620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43744 + ... + 44936.

It is an arithmetic number, because the mean of its divisors is an integer number (3092460).

Almost surely, 252897620 is an apocalyptic number.

It is an amenable number.

52897620 is an abundant number, since it is smaller than the sum of its proper divisors (95540460).

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

52897620 is a wasteful number, since it uses less digits than its factorization.

52897620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 52897620 is about 7273.0750030506. The cubic root of 52897620 is about 375.3865525133.

The spelling of 52897620 in words is "fifty-two million, eight hundred ninety-seven thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 739 1193 1478 2217 2386 2956 3579 3695 4434 4772 5965 7158 7390 8868 11085 11930 14316 14780 17895 22170 23860 35790 44340 71580 881627 1763254 2644881 3526508 4408135 5289762 8816270 10579524 13224405 17632540 26448810 52897620