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68925312 = 2732194767
BaseRepresentation
bin1000001101110…
…11011110000000
311210200202202100
410012323132000
5120121102222
610501150400
71464566301
oct406733600
9153622670
1068925312
11359a7675
121b0bb400
1311383611
1492227a8
1560b74ac
hex41bb780

68925312 has 192 divisors, whose sum is σ = 216403200. Its totient is φ = 20984832.

The previous prime is 68925299. The next prime is 68925323. The reversal of 68925312 is 21352986.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1028703 + ... + 1028769.

It is an arithmetic number, because the mean of its divisors is an integer number (1127100).

Almost surely, 268925312 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 68925312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108201600).

68925312 is an abundant number, since it is smaller than the sum of its proper divisors (147477888).

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

68925312 is a wasteful number, since it uses less digits than its factorization.

68925312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 138 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 68925312 is about 8302.1269563889. The cubic root of 68925312 is about 410.0085502877.

The spelling of 68925312 in words is "sixty-eight million, nine hundred twenty-five thousand, three hundred twelve".