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53130306 = 2310981239
BaseRepresentation
bin1100101010101…
…1010001000010
310200222022002010
43022223101002
5102100132211
65134433350
71213412565
oct312532102
9120868063
1053130306
1127a99649
1215962856
13b013168
1470b04dc
1549e74a6
hex32ab442

53130306 has 16 divisors (see below), whose sum is σ = 107236800. Its totient is φ = 17547408.

The previous prime is 53130281. The next prime is 53130317. The reversal of 53130306 is 60303135.

It is a super-3 number, since 3×531303063 (a number of 24 digits) contains 333 as substring.

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, 39966 + ... + 41273.

It is an arithmetic number, because the mean of its divisors is an integer number (6702300).

Almost surely, 253130306 is an apocalyptic number.

53130306 is an abundant number, since it is smaller than the sum of its proper divisors (54106494).

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

53130306 is a wasteful number, since it uses less digits than its factorization.

53130306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81353.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 53130306 is about 7289.0538480656. The cubic root of 53130306 is about 375.9361640911.

The spelling of 53130306 in words is "fifty-three million, one hundred thirty thousand, three hundred six".

Divisors: 1 2 3 6 109 218 327 654 81239 162478 243717 487434 8855051 17710102 26565153 53130306