Base | Representation |
---|---|
bin | 100110101100… |
… | …111111000010 |
3 | 201002110022210 |
4 | 212230333002 |
5 | 10044130410 |
6 | 1001242550 |
7 | 152144250 |
oct | 46547702 |
9 | 21073283 |
10 | 10145730 |
11 | 57aa701 |
12 | 3493456 |
13 | 2142cba |
14 | 14c15d0 |
15 | d56220 |
hex | 9acfc2 |
10145730 has 32 divisors (see below), whose sum is σ = 27828864. Its totient is φ = 2318976.
The previous prime is 10145717. The next prime is 10145747. The reversal of 10145730 is 3754101.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 10145697 and 10145706.
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 15 ways as a sum of consecutive naturals, for example, 23947 + ... + 24366.
It is an arithmetic number, because the mean of its divisors is an integer number (869652).
Almost surely, 210145730 is an apocalyptic number.
10145730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10145730 is an abundant number, since it is smaller than the sum of its proper divisors (17683134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10145730 is a wasteful number, since it uses less digits than its factorization.
10145730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48330.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 10145730 is about 3185.2362549739. The cubic root of 10145730 is about 216.4849785210.
Adding to 10145730 its reverse (3754101), we get a palindrome (13899831).
The spelling of 10145730 in words is "ten million, one hundred forty-five thousand, seven hundred thirty".
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