Base | Representation |
---|---|
bin | 10110101100000… |
… | …101100111010000 |
3 | 222112021022222100 |
4 | 112230011213100 |
5 | 1234421443310 |
6 | 101434440400 |
7 | 12301344330 |
oct | 2654054720 |
9 | 875238870 |
10 | 380656080 |
11 | 185963602 |
12 | a7593100 |
13 | 60b2a9ac |
14 | 387ab0c0 |
15 | 23641ec0 |
hex | 16b059d0 |
380656080 has 120 divisors (see below), whose sum is σ = 1461013632. Its totient is φ = 87005952.
The previous prime is 380656079. The next prime is 380656147. The reversal of 380656080 is 80656083.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32724 + ... + 42803.
Almost surely, 2380656080 is an apocalyptic number.
380656080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
380656080 is an abundant number, since it is smaller than the sum of its proper divisors (1080357552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380656080 is a wasteful number, since it uses less digits than its factorization.
380656080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75553 (or 75544 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 380656080 is about 19510.4095292744. The cubic root of 380656080 is about 724.7322546801.
The spelling of 380656080 in words is "three hundred eighty million, six hundred fifty-six thousand, eighty".
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