Base | Representation |
---|---|
bin | 101000000101101… |
… | …1000110101010100 |
3 | 10110202011100011022 |
4 | 1100023120311110 |
5 | 10223330200310 |
6 | 341251300312 |
7 | 45222456536 |
oct | 12013306524 |
9 | 3422140138 |
10 | 1345162580 |
11 | 630344613 |
12 | 3165aa698 |
13 | 1858bb5b8 |
14 | ca919856 |
15 | 7d161a55 |
hex | 502d8d54 |
1345162580 has 12 divisors (see below), whose sum is σ = 2824841460. Its totient is φ = 538065024.
The previous prime is 1345162579. The next prime is 1345162597. The reversal of 1345162580 is 852615431.
It can be written as a sum of positive squares in 2 ways, for example, as 918574864 + 426587716 = 30308^2 + 20654^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1345162580.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33629045 + ... + 33629084.
It is an arithmetic number, because the mean of its divisors is an integer number (235403455).
Almost surely, 21345162580 is an apocalyptic number.
1345162580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1345162580 is an abundant number, since it is smaller than the sum of its proper divisors (1479678880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345162580 is a wasteful number, since it uses less digits than its factorization.
1345162580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67258138 (or 67258136 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
The square root of 1345162580 is about 36676.4581168902. The cubic root of 1345162580 is about 1103.8877802426.
The spelling of 1345162580 in words is "one billion, three hundred forty-five million, one hundred sixty-two thousand, five hundred eighty".
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