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65308516 = 22713593041
BaseRepresentation
bin1111100100100…
…0011101100100
311112220000102221
43321020131210
5113204333031
610251442124
71422053560
oct371103544
9145800387
1065308516
1133957289
1219a56344
13106b82c0
1489606a0
155b00a11
hex3e48764

65308516 has 48 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 25390080.

The previous prime is 65308513. The next prime is 65308517. The reversal of 65308516 is 61580356.

65308516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65308511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19956 + ... + 22996.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 265308516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65308516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71547840).

65308516 is an abundant number, since it is smaller than the sum of its proper divisors (77787164).

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

65308516 is a wasteful number, since it uses less digits than its factorization.

65308516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 65308516 is about 8081.3684484746. The cubic root of 65308516 is about 402.7077044828.

The spelling of 65308516 in words is "sixty-five million, three hundred eight thousand, five hundred sixteen".

Divisors: 1 2 4 7 13 14 26 28 52 59 91 118 182 236 364 413 767 826 1534 1652 3041 3068 5369 6082 10738 12164 21287 21476 39533 42574 79066 85148 158132 179419 276731 358838 553462 717676 1106924 1255933 2332447 2511866 4664894 5023732 9329788 16327129 32654258 65308516