Base | Representation |
---|---|
bin | 101101100111101… |
… | …0100010100011101 |
3 | 10221200100202022211 |
4 | 1123033110110131 |
5 | 11113332221140 |
6 | 411521040421 |
7 | 52635043540 |
oct | 13317242435 |
9 | 3850322284 |
10 | 1530742045 |
11 | 716078178 |
12 | 368786111 |
13 | 1b5196c31 |
14 | 107426857 |
15 | 8e5bd2ea |
hex | 5b3d451d |
1530742045 has 16 divisors (see below), whose sum is σ = 2118568320. Its totient is φ = 1040019264.
The previous prime is 1530742043. The next prime is 1530742063. The reversal of 1530742045 is 5402470351.
It is a cyclic number.
It is not a de Polignac number, because 1530742045 - 21 = 1530742043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1530741998 and 1530742016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530742043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196807 + ... + 204436.
It is an arithmetic number, because the mean of its divisors is an integer number (132410520).
Almost surely, 21530742045 is an apocalyptic number.
It is an amenable number.
1530742045 is a deficient number, since it is larger than the sum of its proper divisors (587826275).
1530742045 is a wasteful number, since it uses less digits than its factorization.
1530742045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401364.
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 1530742045 is about 39124.6986569865. The cubic root of 1530742045 is about 1152.4816088965.
The spelling of 1530742045 in words is "one billion, five hundred thirty million, seven hundred forty-two thousand, forty-five".
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