Base | Representation |
---|---|
bin | 1010101010001… |
… | …00100100101110 |
3 | 20020020111020111 |
4 | 11111010210232 |
5 | 140342103323 |
6 | 12512210234 |
7 | 2133654040 |
oct | 525044456 |
9 | 206214214 |
10 | 89409838 |
11 | 46518a31 |
12 | 25b3997a |
13 | 156a643b |
14 | bc35a90 |
15 | 7cb1c0d |
hex | 554492e |
89409838 has 8 divisors (see below), whose sum is σ = 153274032. Its totient is φ = 38318496.
The previous prime is 89409833. The next prime is 89409869. The reversal of 89409838 is 83890498.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 89409791 and 89409800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89409833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193195 + ... + 3193222.
It is an arithmetic number, because the mean of its divisors is an integer number (19159254).
Almost surely, 289409838 is an apocalyptic number.
89409838 is a deficient number, since it is larger than the sum of its proper divisors (63864194).
89409838 is a wasteful number, since it uses less digits than its factorization.
89409838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6386426.
The product of its (nonzero) digits is 497664, while the sum is 49.
The square root of 89409838 is about 9455.6775537240. The cubic root of 89409838 is about 447.1587869498.
The spelling of 89409838 in words is "eighty-nine million, four hundred nine thousand, eight hundred thirty-eight".
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