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65484013 = 7192321407
BaseRepresentation
bin1111100111001…
…1010011101101
311120012221011211
43321303103231
5113230442023
610255314421
71423414330
oct371632355
9146187154
1065484013
1133a67121
1219b1ba11
131074a14a
1489a8617
155b37a0d
hex3e734ed

65484013 has 16 divisors (see below), whose sum is σ = 82206720. Its totient is φ = 50860656.

The previous prime is 65483953. The next prime is 65484031. The reversal of 65484013 is 31048456.

It is a happy number.

It is not a de Polignac number, because 65484013 - 217 = 65352941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65484073) 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 15 ways as a sum of consecutive naturals, for example, 7645 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (5137920).

Almost surely, 265484013 is an apocalyptic number.

It is an amenable number.

65484013 is a deficient number, since it is larger than the sum of its proper divisors (16722707).

65484013 is a wasteful number, since it uses less digits than its factorization.

65484013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21456.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 65484013 is about 8092.2192876862. The cubic root of 65484013 is about 403.0681004803.

The spelling of 65484013 in words is "sixty-five million, four hundred eighty-four thousand, thirteen".

Divisors: 1 7 19 23 133 161 437 3059 21407 149849 406733 492361 2847131 3446527 9354859 65484013