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68827180 = 2253679377
BaseRepresentation
bin1000001101000…
…11100000101100
311210111210010211
410012203200230
5120104432210
610455112204
71464010222
oct406434054
9153453124
1068827180
113593a974
121b072664
131134aa56
1491d8b12
15609838a
hex41a382c

68827180 has 24 divisors (see below), whose sum is σ = 144946368. Its totient is φ = 27452928.

The previous prime is 68827163. The next prime is 68827181. The reversal of 68827180 is 8172886.

It is not an unprimeable number, because it can be changed into a prime (68827181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (6039432).

Almost surely, 268827180 is an apocalyptic number.

It is an amenable number.

68827180 is an abundant number, since it is smaller than the sum of its proper divisors (76119188).

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

68827180 is a wasteful number, since it uses less digits than its factorization.

68827180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753 (or 9751 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 68827180 is about 8296.2147995336. The cubic root of 68827180 is about 409.8138754637.

The spelling of 68827180 in words is "sixty-eight million, eight hundred twenty-seven thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 367 734 1468 1835 3670 7340 9377 18754 37508 46885 93770 187540 3441359 6882718 13765436 17206795 34413590 68827180