Base | Representation |
---|---|
bin | 1000001100010… |
… | …10000000010110 |
3 | 11210022110211120 |
4 | 10012022000112 |
5 | 120043111320 |
6 | 10452544410 |
7 | 1463063520 |
oct | 406120026 |
9 | 153273746 |
10 | 68722710 |
11 | 35879431 |
12 | 1b022106 |
13 | 11312334 |
14 | 91aca10 |
15 | 6077440 |
hex | 418a016 |
68722710 has 32 divisors (see below), whose sum is σ = 188497152. Its totient is φ = 15708000.
The previous prime is 68722699. The next prime is 68722741. The reversal of 68722710 is 1722786.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163416 + ... + 163835.
It is an arithmetic number, because the mean of its divisors is an integer number (5890536).
Almost surely, 268722710 is an apocalyptic number.
68722710 is an abundant number, since it is smaller than the sum of its proper divisors (119774442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68722710 is a wasteful number, since it uses less digits than its factorization.
68722710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327268.
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 68722710 is about 8289.9161636292. The cubic root of 68722710 is about 409.6064238177.
The spelling of 68722710 in words is "sixty-eight million, seven hundred twenty-two thousand, seven hundred ten".
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