Base | Representation |
---|---|
bin | 10000111000101… |
… | …10011101111100 |
3 | 100212112112222110 |
4 | 20130112131330 |
5 | 242230243123 |
6 | 22020014020 |
7 | 3340001100 |
oct | 1034263574 |
9 | 325475873 |
10 | 141649788 |
11 | 72a59645 |
12 | 3b531310 |
13 | 23467257 |
14 | 14b53900 |
15 | c680493 |
hex | 871677c |
141649788 has 144 divisors (see below), whose sum is σ = 418790400. Its totient is φ = 37013760.
The previous prime is 141649777. The next prime is 141649789. The reversal of 141649788 is 887946141.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141649789) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346128 + ... + 346536.
Almost surely, 2141649788 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 141649788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209395200).
141649788 is an abundant number, since it is smaller than the sum of its proper divisors (277140612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141649788 is a wasteful number, since it uses less digits than its factorization.
141649788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480 (or 471 counting only the distinct ones).
The product of its digits is 387072, while the sum is 48.
The square root of 141649788 is about 11901.6716472939. The cubic root of 141649788 is about 521.2810966617.
The spelling of 141649788 in words is "one hundred forty-one million, six hundred forty-nine thousand, seven hundred eighty-eight".
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