Base | Representation |
---|---|
bin | 1000001110000… |
… | …00100000100000 |
3 | 11210201211001210 |
4 | 10013000200200 |
5 | 120122232302 |
6 | 10501430120 |
7 | 1465013415 |
oct | 407004040 |
9 | 153654053 |
10 | 68945952 |
11 | 35a11129 |
12 | 1b10b340 |
13 | 1138cb2a |
14 | 922a10c |
15 | 60bd66c |
hex | 41c0820 |
68945952 has 24 divisors (see below), whose sum is σ = 180983376. Its totient is φ = 22981952.
The previous prime is 68945939. The next prime is 68945957. The reversal of 68945952 is 25954986.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (68945957) 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, 358998 + ... + 359189.
It is an arithmetic number, because the mean of its divisors is an integer number (7540974).
Almost surely, 268945952 is an apocalyptic number.
It is an amenable number.
68945952 is an abundant number, since it is smaller than the sum of its proper divisors (112037424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68945952 is a wasteful number, since it uses less digits than its factorization.
68945952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718200 (or 718192 counting only the distinct ones).
The product of its digits is 777600, while the sum is 48.
The square root of 68945952 is about 8303.3699182922. The cubic root of 68945952 is about 410.0494725152.
The spelling of 68945952 in words is "sixty-eight million, nine hundred forty-five thousand, nine hundred fifty-two".
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