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68476608 = 2632196257
BaseRepresentation
bin1000001010011…
…01111011000000
311202211222020200
410011031323000
5120012222413
610443405200
71461020154
oct405157300
9152758220
1068476608
1135720542
121ab23800
1311257305
149147064
156029573
hex414dec0

68476608 has 84 divisors (see below), whose sum is σ = 206639160. Its totient is φ = 21620736.

The previous prime is 68476553. The next prime is 68476619. The reversal of 68476608 is 80667486.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 7816 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (2459990).

Almost surely, 268476608 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 68476608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103319580).

68476608 is an abundant number, since it is smaller than the sum of its proper divisors (138162552).

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

68476608 is a wasteful number, since it uses less digits than its factorization.

68476608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 68476608 is about 8275.0593955572. The cubic root of 68476608 is about 409.1168935953.

The spelling of 68476608 in words is "sixty-eight million, four hundred seventy-six thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 144 152 171 192 228 288 304 342 456 576 608 684 912 1216 1368 1824 2736 3648 5472 6257 10944 12514 18771 25028 37542 50056 56313 75084 100112 112626 118883 150168 200224 225252 237766 300336 356649 400448 450504 475532 600672 713298 901008 951064 1069947 1201344 1426596 1802016 1902128 2139894 2853192 3604032 3804256 4279788 5706384 7608512 8559576 11412768 17119152 22825536 34238304 68476608