Base | Representation |
---|---|
bin | 1000001001000… |
… | …10000110111111 |
3 | 11202111212002010 |
4 | 10010202012333 |
5 | 114441002101 |
6 | 10435502303 |
7 | 1456342026 |
oct | 404420677 |
9 | 152455063 |
10 | 68297151 |
11 | 3560872a |
12 | 1aa57993 |
13 | 111c3720 |
14 | 90db8bd |
15 | 5ee12d6 |
hex | 41221bf |
68297151 has 16 divisors (see below), whose sum is σ = 98230496. Its totient is φ = 41959296.
The previous prime is 68297093. The next prime is 68297167. The reversal of 68297151 is 15179286.
It is not a de Polignac number, because 68297151 - 27 = 68297023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68293151) 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, 32241 + ... + 34293.
It is an arithmetic number, because the mean of its divisors is an integer number (6139406).
Almost surely, 268297151 is an apocalyptic number.
68297151 is a deficient number, since it is larger than the sum of its proper divisors (29933345).
68297151 is a wasteful number, since it uses less digits than its factorization.
68297151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2922.
The product of its digits is 30240, while the sum is 39.
The square root of 68297151 is about 8264.2090365624. The cubic root of 68297151 is about 408.7591893491.
The spelling of 68297151 in words is "sixty-eight million, two hundred ninety-seven thousand, one hundred fifty-one".
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