Base | Representation |
---|---|
bin | 1111110100110… |
… | …1110101001000 |
3 | 11121220101222110 |
4 | 3331031311020 |
5 | 113443112310 |
6 | 10330422320 |
7 | 1434133005 |
oct | 375156510 |
9 | 147811873 |
10 | 66379080 |
11 | 34518649 |
12 | 1a2919a0 |
13 | 109a1681 |
14 | 8b5c8ac |
15 | 5c62d20 |
hex | 3f4dd48 |
66379080 has 64 divisors (see below), whose sum is σ = 199805760. Its totient is φ = 17641728.
The previous prime is 66379063. The next prime is 66379097. The reversal of 66379080 is 8097366.
It is an interprime number because it is at equal distance from previous prime (66379063) and next prime (66379097).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
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, 44019 + ... + 45501.
It is an arithmetic number, because the mean of its divisors is an integer number (3121965).
Almost surely, 266379080 is an apocalyptic number.
66379080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
66379080 is an abundant number, since it is smaller than the sum of its proper divisors (133426680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66379080 is a wasteful number, since it uses less digits than its factorization.
66379080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1870 (or 1866 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 66379080 is about 8147.3357608485. The cubic root of 66379080 is about 404.8962392320.
The spelling of 66379080 in words is "sixty-six million, three hundred seventy-nine thousand, eighty".
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