Base | Representation |
---|---|
bin | 1110110110011011111011 |
3 | 21022210011201 |
4 | 32312123323 |
5 | 1444033422 |
6 | 215235031 |
7 | 45042550 |
oct | 16663373 |
9 | 7283151 |
10 | 3892987 |
11 | 221994a |
12 | 1378a77 |
13 | a63c57 |
14 | 734a27 |
15 | 51d727 |
hex | 3b66fb |
3892987 has 8 divisors (see below), whose sum is σ = 4463072. Its totient is φ = 3326400.
The previous prime is 3892979. The next prime is 3893023. The reversal of 3892987 is 7892983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3892987 - 23 = 3892979 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3892907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 3607.
It is an arithmetic number, because the mean of its divisors is an integer number (557884).
Almost surely, 23892987 is an apocalyptic number.
3892987 is a deficient number, since it is larger than the sum of its proper divisors (570085).
3892987 is a wasteful number, since it uses less digits than its factorization.
3892987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749.
The product of its digits is 217728, while the sum is 46.
The square root of 3892987 is about 1973.0653815827. The cubic root of 3892987 is about 157.3116855729.
It can be divided in two parts, 38 and 92987, that added together give a square (93025 = 3052).
The spelling of 3892987 in words is "three million, eight hundred ninety-two thousand, nine hundred eighty-seven".
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