Base | Representation |
---|---|
bin | 10001100010101… |
… | …01101001010000 |
3 | 101020220001211100 |
4 | 20301111221100 |
5 | 300132321230 |
6 | 22333544400 |
7 | 3434523642 |
oct | 1061255120 |
9 | 336801740 |
10 | 147151440 |
11 | 76077067 |
12 | 41345100 |
13 | 24642477 |
14 | 15786892 |
15 | cdba660 |
hex | 8c55a50 |
147151440 has 60 divisors (see below), whose sum is σ = 494186004. Its totient is φ = 39240192.
The previous prime is 147151427. The next prime is 147151517. The reversal of 147151440 is 44151741.
147151440 is a `hidden beast` number, since 147 + 1 + 514 + 4 + 0 = 666.
147151440 is nontrivially palindromic in base 11.
It can be written as a sum of positive squares in 2 ways, for example, as 36144144 + 111007296 = 6012^2 + 10536^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101469 + ... + 102908.
Almost surely, 2147151440 is an apocalyptic number.
147151440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
147151440 is an abundant number, since it is smaller than the sum of its proper divisors (347034564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147151440 is a wasteful number, since it uses less digits than its factorization.
147151440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204396 (or 204387 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 147151440 is about 12130.5993256722. The cubic root of 147151440 is about 527.9443811937.
The spelling of 147151440 in words is "one hundred forty-seven million, one hundred fifty-one thousand, four hundred forty".
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