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65242608 = 24310712703
BaseRepresentation
bin1111100011100…
…0010111110000
311112202200000220
43320320113300
5113200230413
610250213040
71421360454
oct370702760
9145680026
1065242608
1133911812
1219a24180
13106942c2
148944664
155adb223
hex3e385f0

65242608 has 40 divisors (see below), whose sum is σ = 170131968. Its totient is φ = 21542592.

The previous prime is 65242589. The next prime is 65242609. The reversal of 65242608 is 80624256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65242609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216 + ... + 11487.

Almost surely, 265242608 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 65242608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85065984).

65242608 is an abundant number, since it is smaller than the sum of its proper divisors (104889360).

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

65242608 is a wasteful number, since it uses less digits than its factorization.

65242608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821 (or 12815 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 65242608 is about 8077.2896444290. The cubic root of 65242608 is about 402.5721907987.

The spelling of 65242608 in words is "sixty-five million, two hundred forty-two thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 107 214 321 428 642 856 1284 1712 2568 5136 12703 25406 38109 50812 76218 101624 152436 203248 304872 609744 1359221 2718442 4077663 5436884 8155326 10873768 16310652 21747536 32621304 65242608