Search a number
-
+
68514897 = 3112076209
BaseRepresentation
bin1000001010101…
…11010001010001
311202220220202210
410011113101101
5120014434042
610444302333
71461236613
oct405272121
9152826683
1068514897
1135747290
121ab419a9
131126b879
149156db3
156035a9c
hex4157451

68514897 has 8 divisors (see below), whose sum is σ = 99658080. Its totient is φ = 41524160.

The previous prime is 68514877. The next prime is 68514911. The reversal of 68514897 is 79841586.

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

It is a cyclic number.

It is not a de Polignac number, because 68514897 - 26 = 68514833 is a prime.

It is a super-2 number, since 2×685148972 = 9388582221841218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68514857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038072 + ... + 1038137.

It is an arithmetic number, because the mean of its divisors is an integer number (12457260).

Almost surely, 268514897 is an apocalyptic number.

It is an amenable number.

68514897 is a deficient number, since it is larger than the sum of its proper divisors (31143183).

68514897 is a wasteful number, since it uses less digits than its factorization.

68514897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076223.

The product of its digits is 483840, while the sum is 48.

The square root of 68514897 is about 8277.3725903816. The cubic root of 68514897 is about 409.1931325643.

The spelling of 68514897 in words is "sixty-eight million, five hundred fourteen thousand, eight hundred ninety-seven".

Divisors: 1 3 11 33 2076209 6228627 22838299 68514897