Search a number
-
+
68716848 = 2431431601
BaseRepresentation
bin1000001100010…
…00100100110000
311210022011210110
410012020210300
5120042414343
610452501320
71463040444
oct406104460
9153264713
1068716848
1135874a92
121b01a840
131130c775
1491aa824
156075833
hex4188930

68716848 has 20 divisors (see below), whose sum is σ = 177518648. Its totient is φ = 22905600.

The previous prime is 68716829. The next prime is 68716849. The reversal of 68716848 is 84861786.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1431601 = 68716848 / (6 + 8 + 7 + 1 + 6 + 8 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 68716797 and 68716806.

It is not an unprimeable number, because it can be changed into a prime (68716849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715753 + ... + 715848.

Almost surely, 268716848 is an apocalyptic number.

It is an amenable number.

68716848 is an abundant number, since it is smaller than the sum of its proper divisors (108801800).

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

68716848 is a wasteful number, since it uses less digits than its factorization.

68716848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431612 (or 1431606 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 68716848 is about 8289.5625940094. The cubic root of 68716848 is about 409.5947771042.

The spelling of 68716848 in words is "sixty-eight million, seven hundred sixteen thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1431601 2863202 4294803 5726404 8589606 11452808 17179212 22905616 34358424 68716848