Base | Representation |
---|---|
bin | 100011010100… |
… | …000000011101 |
3 | 122102022012110 |
4 | 203110000131 |
5 | 4332210424 |
6 | 530224233 |
7 | 141453210 |
oct | 43240035 |
9 | 18368173 |
10 | 9256989 |
11 | 5252a05 |
12 | 3125079 |
13 | 1bc1611 |
14 | 132d777 |
15 | c2cc29 |
hex | 8d401d |
9256989 has 8 divisors (see below), whose sum is σ = 14105920. Its totient is φ = 5289696.
The previous prime is 9256987. The next prime is 9256991. The reversal of 9256989 is 9896529.
It is an interprime number because it is at equal distance from previous prime (9256987) and next prime (9256991).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9256989 - 21 = 9256987 is a prime.
It is a super-2 number, since 2×92569892 = 171383690692242, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
9256989 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9256981) 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, 220384 + ... + 220425.
It is an arithmetic number, because the mean of its divisors is an integer number (1763240).
Almost surely, 29256989 is an apocalyptic number.
It is an amenable number.
9256989 is a deficient number, since it is larger than the sum of its proper divisors (4848931).
9256989 is a wasteful number, since it uses less digits than its factorization.
9256989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440819.
The product of its digits is 349920, while the sum is 48.
The square root of 9256989 is about 3042.5300327195. The cubic root of 9256989 is about 209.9696781617.
The spelling of 9256989 in words is "nine million, two hundred fifty-six thousand, nine hundred eighty-nine".
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