Base | Representation |
---|---|
bin | 11110000110011… |
… | …011000011010100 |
3 | 1022012020122222012 |
4 | 132012123003110 |
5 | 2013240001043 |
6 | 122035523352 |
7 | 15341300432 |
oct | 3606330324 |
9 | 1265218865 |
10 | 505000148 |
11 | 23a0720a4 |
12 | 121159558 |
13 | 80815c73 |
14 | 4b0d7d52 |
15 | 2e504a18 |
hex | 1e19b0d4 |
505000148 has 24 divisors (see below), whose sum is σ = 907828992. Its totient is φ = 245683424.
The previous prime is 505000141. The next prime is 505000159. The reversal of 505000148 is 841000505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505000141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24761 + ... + 40287.
It is an arithmetic number, because the mean of its divisors is an integer number (37826208).
Almost surely, 2505000148 is an apocalyptic number.
It is an amenable number.
505000148 is a deficient number, since it is larger than the sum of its proper divisors (402828844).
505000148 is a wasteful number, since it uses less digits than its factorization.
505000148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15751 (or 15749 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 505000148 is about 22472.2083472008. The cubic root of 505000148 is about 796.3375019729.
The spelling of 505000148 in words is "five hundred five million, one hundred forty-eight", and thus it is an aban number.
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