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68589224 = 23114671669
BaseRepresentation
bin1000001011010…
…01011010101000
311210001200201122
410011221122220
5120024323344
610450034412
71461666404
oct405513250
9153050648
1068589224
1135798110
121ab78a08
1311296652
149176104
15604caee
hex41696a8

68589224 has 32 divisors (see below), whose sum is σ = 140680800. Its totient is φ = 31091520.

The previous prime is 68589223. The next prime is 68589229. The reversal of 68589224 is 42298586.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (68589223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40262 + ... + 41930.

It is an arithmetic number, because the mean of its divisors is an integer number (4396275).

Almost surely, 268589224 is an apocalyptic number.

It is an amenable number.

68589224 is an abundant number, since it is smaller than the sum of its proper divisors (72091576).

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

68589224 is a wasteful number, since it uses less digits than its factorization.

68589224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2149 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 68589224 is about 8281.8611434870. The cubic root of 68589224 is about 409.3410473871.

The spelling of 68589224 in words is "sixty-eight million, five hundred eighty-nine thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 467 934 1669 1868 3338 3736 5137 6676 10274 13352 18359 20548 36718 41096 73436 146872 779423 1558846 3117692 6235384 8573653 17147306 34294612 68589224