Base | Representation |
---|---|
bin | 10001001000010… |
… | …00100110011000 |
3 | 101000101012210220 |
4 | 20210020212120 |
5 | 243241041021 |
6 | 22131440040 |
7 | 3363226452 |
oct | 1044104630 |
9 | 330335726 |
10 | 143690136 |
11 | 74122587 |
12 | 40156020 |
13 | 239ccb65 |
14 | 151252d2 |
15 | c934cc6 |
hex | 8908998 |
143690136 has 48 divisors (see below), whose sum is σ = 365437800. Its totient is φ = 47082240.
The previous prime is 143690111. The next prime is 143690147. The reversal of 143690136 is 631096341.
It is a junction number, because it is equal to n+sod(n) for n = 143690097 and 143690106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88500 + ... + 90108.
Almost surely, 2143690136 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143690136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182718900).
143690136 is an abundant number, since it is smaller than the sum of its proper divisors (221747664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143690136 is a wasteful number, since it uses less digits than its factorization.
143690136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1740 (or 1675 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 143690136 is about 11987.0820469370. The cubic root of 143690136 is about 523.7720489386.
The spelling of 143690136 in words is "one hundred forty-three million, six hundred ninety thousand, one hundred thirty-six".
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