Search a number
-
+
68861098 = 253649633
BaseRepresentation
bin1000001101010…
…11110010101010
311210120111200001
410012223302222
5120112023343
610455533214
71464211135
oct406536252
9153514601
1068861098
11359633a9
121b08a20a
1311360317
14920721c
1560a344d
hex41abcaa

68861098 has 8 divisors (see below), whose sum is σ = 105240708. Its totient is φ = 33780864.

The previous prime is 68861087. The next prime is 68861113. The reversal of 68861098 is 89016886.

It can be written as a sum of positive squares in 2 ways, for example, as 68608089 + 253009 = 8283^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324711 + ... + 324922.

Almost surely, 268861098 is an apocalyptic number.

68861098 is a deficient number, since it is larger than the sum of its proper divisors (36379610).

68861098 is a wasteful number, since it uses less digits than its factorization.

68861098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649688.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 68861098 is about 8298.2587330114. The cubic root of 68861098 is about 409.8811830998.

The spelling of 68861098 in words is "sixty-eight million, eight hundred sixty-one thousand, ninety-eight".

Divisors: 1 2 53 106 649633 1299266 34430549 68861098