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65081424 = 2431355863
BaseRepresentation
bin1111100001000…
…1000001010000
311112110110221010
43320101001100
5113130101144
610242530520
71420116522
oct370210120
9145413833
1065081424
1133811701
1219966a40
1310638b25
148901a12
155aa85b9
hex3e11050

65081424 has 20 divisors (see below), whose sum is σ = 168127136. Its totient is φ = 21693792.

The previous prime is 65081411. The next prime is 65081459. The reversal of 65081424 is 42418056.

It is a junction number, because it is equal to n+sod(n) for n = 65081391 and 65081400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677884 + ... + 677979.

Almost surely, 265081424 is an apocalyptic number.

It is an amenable number.

65081424 is an abundant number, since it is smaller than the sum of its proper divisors (103045712).

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

65081424 is a wasteful number, since it uses less digits than its factorization.

65081424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355874 (or 1355868 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 65081424 is about 8067.3058699915. The cubic root of 65081424 is about 402.2403948165.

The spelling of 65081424 in words is "sixty-five million, eighty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1355863 2711726 4067589 5423452 8135178 10846904 16270356 21693808 32540712 65081424