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65380268 = 2229563623
BaseRepresentation
bin1111100101100…
…1111110101100
311120000122212102
43321121332230
5113214132033
610253154232
71422503012
oct371317654
9146018772
1065380268
11339a6188
1219a8b978
1310711b65
14897c8b2
155b16de8
hex3e59fac

65380268 has 12 divisors (see below), whose sum is σ = 118361040. Its totient is φ = 31562832.

The previous prime is 65380267. The next prime is 65380291. The reversal of 65380268 is 86208356.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65380261) 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 3 ways as a sum of consecutive naturals, for example, 281696 + ... + 281927.

It is an arithmetic number, because the mean of its divisors is an integer number (9863420).

Almost surely, 265380268 is an apocalyptic number.

It is an amenable number.

65380268 is a deficient number, since it is larger than the sum of its proper divisors (52980772).

65380268 is a wasteful number, since it uses less digits than its factorization.

65380268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563656 (or 563654 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 65380268 is about 8085.8065769594. The cubic root of 65380268 is about 402.8551304208.

The spelling of 65380268 in words is "sixty-five million, three hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 4 29 58 116 563623 1127246 2254492 16345067 32690134 65380268