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52757648 = 243297353
BaseRepresentation
bin1100100101000…
…0010010010000
310200021100212222
43021100102100
5102001221043
65122440212
71210301246
oct311202220
9120240788
1052757648
1127864669
1215803068
13ac12658
147014796
154971d68
hex3250490

52757648 has 10 divisors (see below), whose sum is σ = 102217974. Its totient is φ = 26378816.

The previous prime is 52757633. The next prime is 52757651. The reversal of 52757648 is 84675725.

It can be written as a sum of positive squares in only one way, i.e., 30780304 + 21977344 = 5548^2 + 4688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52757599 and 52757608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1648661 + ... + 1648692.

Almost surely, 252757648 is an apocalyptic number.

It is an amenable number.

52757648 is a deficient number, since it is larger than the sum of its proper divisors (49460326).

52757648 is a wasteful number, since it uses less digits than its factorization.

52757648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297361 (or 3297355 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 52757648 is about 7263.4460141175. The cubic root of 52757648 is about 375.0551575163.

The spelling of 52757648 in words is "fifty-two million, seven hundred fifty-seven thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 3297353 6594706 13189412 26378824 52757648