Base | Representation |
---|---|
bin | 1000001110000… |
… | …10100010010101 |
3 | 11210202020110112 |
4 | 10013002202111 |
5 | 120123014021 |
6 | 10501532405 |
7 | 1465046555 |
oct | 407024225 |
9 | 153666415 |
10 | 68954261 |
11 | 35a173a2 |
12 | 1b114105 |
13 | 1139384c |
14 | 922d165 |
15 | 60c0d5b |
hex | 41c2895 |
68954261 has 8 divisors (see below), whose sum is σ = 75366144. Its totient is φ = 62804160.
The previous prime is 68954231. The next prime is 68954317. The reversal of 68954261 is 16245986.
It is a happy number.
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 68954261 - 222 = 64759957 is a prime.
It is a super-2 number, since 2×689542612 = 9509380220112242, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68954231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64895 + ... + 65948.
It is an arithmetic number, because the mean of its divisors is an integer number (9420768).
Almost surely, 268954261 is an apocalyptic number.
It is an amenable number.
68954261 is a deficient number, since it is larger than the sum of its proper divisors (6411883).
68954261 is a wasteful number, since it uses less digits than its factorization.
68954261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130891.
The product of its digits is 103680, while the sum is 41.
The square root of 68954261 is about 8303.8702422425. The cubic root of 68954261 is about 410.0659441818.
The spelling of 68954261 in words is "sixty-eight million, nine hundred fifty-four thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •