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68271606 = 2331327481
BaseRepresentation
bin1000001000110…
…11110111110110
311202110120001000
410010123313312
5114434142411
610435144130
71456204404
oct404336766
9152416030
1068271606
11355a0517
121aa45046
13111b4c00
1490d2474
155ed8956
hex411bdf6

68271606 has 48 divisors (see below), whose sum is σ = 164304720. Its totient is φ = 21003840.

The previous prime is 68271583. The next prime is 68271629. The reversal of 68271606 is 60617286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68271583) and next prime (68271629).

It is a super-2 number, since 2×682716062 = 9322024371638472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5386 + ... + 12866.

It is an arithmetic number, because the mean of its divisors is an integer number (3423015).

Almost surely, 268271606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68271606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82152360).

68271606 is an abundant number, since it is smaller than the sum of its proper divisors (96033114).

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

68271606 is a wasteful number, since it uses less digits than its factorization.

68271606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518 (or 7499 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 68271606 is about 8262.6633720611. The cubic root of 68271606 is about 408.7082206267.

The spelling of 68271606 in words is "sixty-eight million, two hundred seventy-one thousand, six hundred six".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 1014 1521 3042 4563 7481 9126 14962 22443 44886 67329 97253 134658 194506 201987 291759 403974 583518 875277 1264289 1750554 2528578 2625831 3792867 5251662 7585734 11378601 22757202 34135803 68271606