Base | Representation |
---|---|
bin | 1010101101111… |
… | …11100100111001 |
3 | 20021012002100110 |
4 | 11112333210321 |
5 | 141004214112 |
6 | 12531054533 |
7 | 2141152641 |
oct | 526774471 |
9 | 207162313 |
10 | 89913657 |
11 | 46832509 |
12 | 26141449 |
13 | 15821862 |
14 | bd27521 |
15 | 7d6113c |
hex | 55bf939 |
89913657 has 8 divisors (see below), whose sum is σ = 120097120. Its totient is φ = 59836320.
The previous prime is 89913653. The next prime is 89913661. The reversal of 89913657 is 75631998.
It is an interprime number because it is at equal distance from previous prime (89913653) and next prime (89913661).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89913657 - 22 = 89913653 is a prime.
It is a super-2 number, since 2×899136572 = 16168931430227298, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89913653) 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 7 ways as a sum of consecutive naturals, for example, 24532 + ... + 27957.
It is an arithmetic number, because the mean of its divisors is an integer number (15012140).
Almost surely, 289913657 is an apocalyptic number.
It is an amenable number.
89913657 is a deficient number, since it is larger than the sum of its proper divisors (30183463).
89913657 is a wasteful number, since it uses less digits than its factorization.
89913657 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53063.
The product of its digits is 408240, while the sum is 48.
The square root of 89913657 is about 9482.2812128728. The cubic root of 89913657 is about 447.9971184578.
The spelling of 89913657 in words is "eighty-nine million, nine hundred thirteen thousand, six hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •