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68103276 = 22323443557
BaseRepresentation
bin1000000111100…
…10110001101100
311202011000010120
410003302301230
5114413301101
610431404540
71454603553
oct403626154
9152130116
1068103276
1135495aaa
121a983750
13111563c7
14908ad9a
155ea3b36
hex40f2c6c

68103276 has 48 divisors (see below), whose sum is σ = 166489344. Its totient is φ = 21626176.

The previous prime is 68103263. The next prime is 68103283. The reversal of 68103276 is 67230186.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121990 + ... + 122546.

It is an arithmetic number, because the mean of its divisors is an integer number (3468528).

Almost surely, 268103276 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 68103276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83244672).

68103276 is an abundant number, since it is smaller than the sum of its proper divisors (98386068).

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

68103276 is a wasteful number, since it uses less digits than its factorization.

68103276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 68103276 is about 8252.4709027054. The cubic root of 68103276 is about 408.3720414599.

The spelling of 68103276 in words is "sixty-eight million, one hundred three thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 443 557 886 1114 1329 1671 1772 2228 2658 3342 5316 6684 10189 12811 20378 25622 30567 38433 40756 51244 61134 76866 122268 153732 246751 493502 740253 987004 1480506 2961012 5675273 11350546 17025819 22701092 34051638 68103276