Base | Representation |
---|---|
bin | 10110110000111… |
… | …110010110101110 |
3 | 222121200102011102 |
4 | 112300332112232 |
5 | 1240233441240 |
6 | 101522123102 |
7 | 12315261104 |
oct | 2660762656 |
9 | 877612142 |
10 | 381937070 |
11 | 186658a79 |
12 | a7ab0492 |
13 | 61188a88 |
14 | 38a21c74 |
15 | 237e6815 |
hex | 16c3e5ae |
381937070 has 16 divisors (see below), whose sum is σ = 687739248. Its totient is φ = 152718720.
The previous prime is 381937067. The next prime is 381937091. The reversal of 381937070 is 70739183.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31805 + ... + 42135.
It is an arithmetic number, because the mean of its divisors is an integer number (42983703).
Almost surely, 2381937070 is an apocalyptic number.
381937070 is a deficient number, since it is larger than the sum of its proper divisors (305802178).
381937070 is a wasteful number, since it uses less digits than its factorization.
381937070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14035.
The product of its (nonzero) digits is 31752, while the sum is 38.
The square root of 381937070 is about 19543.2103299330. The cubic root of 381937070 is about 725.5443046892.
The spelling of 381937070 in words is "three hundred eighty-one million, nine hundred thirty-seven thousand, seventy".
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