Base | Representation |
---|---|
bin | 101101100110011… |
… | …1010101000011100 |
3 | 10221122011202210211 |
4 | 1123030322220130 |
5 | 11113202100130 |
6 | 411455342204 |
7 | 52626512335 |
oct | 13314725034 |
9 | 3848152724 |
10 | 1530112540 |
11 | 715788220 |
12 | 368521964 |
13 | 1b5006548 |
14 | 10730128c |
15 | 8e4e6a2a |
hex | 5b33aa1c |
1530112540 has 48 divisors (see below), whose sum is σ = 3711554784. Its totient is φ = 523673600.
The previous prime is 1530112537. The next prime is 1530112583. The reversal of 1530112540 is 452110351.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200821 + ... + 208300.
It is an arithmetic number, because the mean of its divisors is an integer number (77324058).
Almost surely, 21530112540 is an apocalyptic number.
1530112540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1530112540 is an abundant number, since it is smaller than the sum of its proper divisors (2181442244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1530112540 is a wasteful number, since it uses less digits than its factorization.
1530112540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 409158 (or 409156 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 1530112540 is about 39116.6529754272. The cubic root of 1530112540 is about 1152.3236043933.
Adding to 1530112540 its reverse (452110351), we get a palindrome (1982222891).
It can be divided in two parts, 153011 and 2540, that added together give a palindrome (155551).
The spelling of 1530112540 in words is "one billion, five hundred thirty million, one hundred twelve thousand, five hundred forty".
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