Base | Representation |
---|---|
bin | 1000001101111… |
… | …01001101100111 |
3 | 11210201010112220 |
4 | 10012331031213 |
5 | 120121314310 |
6 | 10501243423 |
7 | 1464626154 |
oct | 406751547 |
9 | 153633486 |
10 | 68932455 |
11 | 35a01a79 |
12 | 1b103573 |
13 | 11386947 |
14 | 922522b |
15 | 60b9670 |
hex | 41bd367 |
68932455 has 16 divisors (see below), whose sum is σ = 110423040. Its totient is φ = 36720288.
The previous prime is 68932453. The next prime is 68932511. The reversal of 68932455 is 55423986.
It is not a de Polignac number, because 68932455 - 21 = 68932453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68932453) 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, 13374 + ... + 17796.
It is an arithmetic number, because the mean of its divisors is an integer number (6901440).
Almost surely, 268932455 is an apocalyptic number.
68932455 is a deficient number, since it is larger than the sum of its proper divisors (41490585).
68932455 is a wasteful number, since it uses less digits than its factorization.
68932455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5470.
The product of its digits is 259200, while the sum is 42.
The square root of 68932455 is about 8302.5571362081. The cubic root of 68932455 is about 410.0227133957.
The spelling of 68932455 in words is "sixty-eight million, nine hundred thirty-two thousand, four hundred fifty-five".
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