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68927061 = 3717193073
BaseRepresentation
bin1000001101110…
…11111001010101
311210200212011010
410012323321111
5120121131221
610501202433
71464604350
oct406737125
9153625133
1068927061
11359a8a15
121b100419
1311384358
149223297
1560b7c76
hex41bbe55

68927061 has 16 divisors (see below), whose sum is σ = 111210624. Its totient is φ = 37069824.

The previous prime is 68927009. The next prime is 68927063. The reversal of 68927061 is 16072986.

It is not a de Polignac number, because 68927061 - 27 = 68926933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68927063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96180 + ... + 96893.

It is an arithmetic number, because the mean of its divisors is an integer number (6950664).

Almost surely, 268927061 is an apocalyptic number.

It is an amenable number.

68927061 is a deficient number, since it is larger than the sum of its proper divisors (42283563).

68927061 is a wasteful number, since it uses less digits than its factorization.

68927061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193100.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 68927061 is about 8302.2322901735. The cubic root of 68927061 is about 410.0120182874.

The spelling of 68927061 in words is "sixty-eight million, nine hundred twenty-seven thousand, sixty-one".

Divisors: 1 3 7 17 21 51 119 357 193073 579219 1351511 3282241 4054533 9846723 22975687 68927061