Base | Representation |
---|---|
bin | 10001101000111… |
… | …11101011010000 |
3 | 101022110002222020 |
4 | 20310133223100 |
5 | 300340311320 |
6 | 22403411440 |
7 | 3444541353 |
oct | 1064375320 |
9 | 338402866 |
10 | 147978960 |
11 | 76591868 |
12 | 41683b80 |
13 | 2487201c |
14 | 1592029a |
15 | ced0940 |
hex | 8d1fad0 |
147978960 has 40 divisors (see below), whose sum is σ = 458735520. Its totient is φ = 39460992.
The previous prime is 147978923. The next prime is 147978977. The reversal of 147978960 is 69879741.
147978960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308050 + ... + 308529.
It is an arithmetic number, because the mean of its divisors is an integer number (11468388).
Almost surely, 2147978960 is an apocalyptic number.
147978960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
147978960 is an abundant number, since it is smaller than the sum of its proper divisors (310756560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147978960 is a wasteful number, since it uses less digits than its factorization.
147978960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616595 (or 616589 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 51.
The square root of 147978960 is about 12164.6602911877. The cubic root of 147978960 is about 528.9321801795.
The spelling of 147978960 in words is "one hundred forty-seven million, nine hundred seventy-eight thousand, nine hundred sixty".
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