Base | Representation |
---|---|
bin | 10001100101101… |
… | …00111000100100 |
3 | 101021121212221111 |
4 | 20302310320210 |
5 | 300232312130 |
6 | 22350154404 |
7 | 3441040156 |
oct | 1062647044 |
9 | 337555844 |
10 | 147541540 |
11 | 76313163 |
12 | 414b2a04 |
13 | 2474abb3 |
14 | 15848ad6 |
15 | ce4602a |
hex | 8cb4e24 |
147541540 has 12 divisors (see below), whose sum is σ = 309837276. Its totient is φ = 59016608.
The previous prime is 147541523. The next prime is 147541543. The reversal of 147541540 is 45145741.
It can be written as a sum of positive squares in 2 ways, for example, as 110502144 + 37039396 = 10512^2 + 6086^2 .
It is not an unprimeable number, because it can be changed into a prime (147541543) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688519 + ... + 3688558.
It is an arithmetic number, because the mean of its divisors is an integer number (25819773).
Almost surely, 2147541540 is an apocalyptic number.
147541540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
147541540 is an abundant number, since it is smaller than the sum of its proper divisors (162295736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147541540 is a wasteful number, since it uses less digits than its factorization.
147541540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7377086 (or 7377084 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 147541540 is about 12146.6678558360. The cubic root of 147541540 is about 528.4104982267.
The spelling of 147541540 in words is "one hundred forty-seven million, five hundred forty-one thousand, five hundred forty".
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