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53148660 = 2235885811
BaseRepresentation
bin1100101010111…
…1101111110100
310201000020020220
43022233233310
5102101224120
65135054340
71213520235
oct312575764
9121006226
1053148660
1128001414
12159713b0
13b01b616
1470b708c
1549ecb40
hex32afbf4

53148660 has 24 divisors (see below), whose sum is σ = 148816416. Its totient is φ = 14172960.

The previous prime is 53148649. The next prime is 53148661. The reversal of 53148660 is 6684135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53148661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442846 + ... + 442965.

It is an arithmetic number, because the mean of its divisors is an integer number (6200684).

Almost surely, 253148660 is an apocalyptic number.

It is an amenable number.

53148660 is an abundant number, since it is smaller than the sum of its proper divisors (95667756).

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

53148660 is a wasteful number, since it uses less digits than its factorization.

53148660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885823 (or 885821 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53148660 is about 7290.3127504929. The cubic root of 53148660 is about 375.9794484768.

The spelling of 53148660 in words is "fifty-three million, one hundred forty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 885811 1771622 2657433 3543244 4429055 5314866 8858110 10629732 13287165 17716220 26574330 53148660