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68464435 = 513281023
BaseRepresentation
bin1000001010010…
…10111100110011
311202211100112211
410011022330303
5120011330220
610443232551
71460636524
oct405127463
9152740484
1068464435
1135712386
121ab18757
1311251900
14914284b
156025b5a
hex414af33

68464435 has 12 divisors (see below), whose sum is σ = 88964352. Its totient is φ = 50557728.

The previous prime is 68464433. The next prime is 68464439. The reversal of 68464435 is 53446486.

It is not a de Polignac number, because 68464435 - 21 = 68464433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68464433) 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 11 ways as a sum of consecutive naturals, for example, 39667 + ... + 41356.

It is an arithmetic number, because the mean of its divisors is an integer number (7413696).

Almost surely, 268464435 is an apocalyptic number.

68464435 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68464435 is a deficient number, since it is larger than the sum of its proper divisors (20499917).

68464435 is a wasteful number, since it uses less digits than its factorization.

68464435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81054 (or 81041 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 68464435 is about 8274.3238394445. The cubic root of 68464435 is about 409.0926494277.

The spelling of 68464435 in words is "sixty-eight million, four hundred sixty-four thousand, four hundred thirty-five".

Divisors: 1 5 13 65 169 845 81023 405115 1053299 5266495 13692887 68464435