Base | Representation |
---|---|
bin | 10001100100111… |
… | …00100101011000 |
3 | 101021102211102010 |
4 | 20302130211120 |
5 | 300221121013 |
6 | 22344105520 |
7 | 3440144040 |
oct | 1062344530 |
9 | 337384363 |
10 | 147442008 |
11 | 762553aa |
12 | 414652a0 |
13 | 247147bc |
14 | 15820720 |
15 | ce267c3 |
hex | 8c9c958 |
147442008 has 128 divisors (see below), whose sum is σ = 437944320. Its totient is φ = 40494720.
The previous prime is 147442007. The next prime is 147442013. The reversal of 147442008 is 800244741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147442007) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560485 + ... + 560747.
It is an arithmetic number, because the mean of its divisors is an integer number (3421440).
Almost surely, 2147442008 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 147442008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218972160).
147442008 is an abundant number, since it is smaller than the sum of its proper divisors (290502312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147442008 is a wasteful number, since it uses less digits than its factorization.
147442008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 30.
The square root of 147442008 is about 12142.5700739176. The cubic root of 147442008 is about 528.2916490204.
Adding to 147442008 its reverse (800244741), we get a palindrome (947686749).
The spelling of 147442008 in words is "one hundred forty-seven million, four hundred forty-two thousand, eight".
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