Base | Representation |
---|---|
bin | 10111000110110… |
… | …110001110011101 |
3 | 1000000110201120000 |
4 | 113012312032131 |
5 | 1243220432231 |
6 | 102245044513 |
7 | 12415101660 |
oct | 2706661635 |
9 | 1000421500 |
10 | 387670941 |
11 | 189914a09 |
12 | a99b6739 |
13 | 624158b8 |
14 | 396b56d7 |
15 | 2407a6e6 |
hex | 171b639d |
387670941 has 80 divisors (see below), whose sum is σ = 720377856. Its totient is φ = 202673664.
The previous prime is 387670919. The next prime is 387670963. The reversal of 387670941 is 149076783.
It is an interprime number because it is at equal distance from previous prime (387670919) and next prime (387670963).
It is a de Polignac number, because none of the positive numbers 2k-387670941 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387670901) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 356100 + ... + 357186.
Almost surely, 2387670941 is an apocalyptic number.
It is an amenable number.
387670941 is a deficient number, since it is larger than the sum of its proper divisors (332706915).
387670941 is a wasteful number, since it uses less digits than its factorization.
387670941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160 (or 1151 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 387670941 is about 19689.3611120321. The cubic root of 387670941 is about 729.1570560359.
The spelling of 387670941 in words is "three hundred eighty-seven million, six hundred seventy thousand, nine hundred forty-one".
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