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52668488 = 236583561
BaseRepresentation
bin1100100011101…
…0100001001000
310200002211120202
43020322201020
5101440342423
65120511332
71206450305
oct310724110
9120084522
1052668488
1127803684
121577b548
13abb0bb2
146dd00ac
154955728
hex323a848

52668488 has 8 divisors (see below), whose sum is σ = 98753430. Its totient is φ = 26334240.

The previous prime is 52668487. The next prime is 52668547. The reversal of 52668488 is 88486625.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 17123044 = 5962^2 + 4138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×526684882 = 5547939256412288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52668487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3291773 + ... + 3291788.

Almost surely, 252668488 is an apocalyptic number.

It is an amenable number.

52668488 is a deficient number, since it is larger than the sum of its proper divisors (46084942).

52668488 is a wasteful number, since it uses less digits than its factorization.

52668488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583567 (or 6583563 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 52668488 is about 7257.3058361902. The cubic root of 52668488 is about 374.8437583192.

The spelling of 52668488 in words is "fifty-two million, six hundred sixty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 6583561 13167122 26334244 52668488