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68474544 = 2431426553
BaseRepresentation
bin1000001010011…
…01011010110000
311202211212102020
410011031122300
5120012141134
610443351440
71461011145
oct405153260
9152755366
1068474544
1135719a36
121ab22580
13112563a8
1491463cc
156028b49
hex414d6b0

68474544 has 20 divisors (see below), whose sum is σ = 176892696. Its totient is φ = 22824832.

The previous prime is 68474501. The next prime is 68474561. The reversal of 68474544 is 44547486.

It is a junction number, because it is equal to n+sod(n) for n = 68474496 and 68474505.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 713229 + ... + 713324.

Almost surely, 268474544 is an apocalyptic number.

It is an amenable number.

68474544 is an abundant number, since it is smaller than the sum of its proper divisors (108418152).

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

68474544 is a wasteful number, since it uses less digits than its factorization.

68474544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426564 (or 1426558 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 68474544 is about 8274.9346825217. The cubic root of 68474544 is about 409.1127830638.

The spelling of 68474544 in words is "sixty-eight million, four hundred seventy-four thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1426553 2853106 4279659 5706212 8559318 11412424 17118636 22824848 34237272 68474544