Base | Representation |
---|---|
bin | 11110000110100… |
… | …111010110011101 |
3 | 1022012100020002000 |
4 | 132012213112131 |
5 | 2013243104100 |
6 | 122040552513 |
7 | 15341600340 |
oct | 3606472635 |
9 | 1265306060 |
10 | 505050525 |
11 | 23a0a6a31 |
12 | 121182739 |
13 | 80832b85 |
14 | 4b10c457 |
15 | 2e514900 |
hex | 1e1a759d |
505050525 has 96 divisors (see below), whose sum is σ = 1073145600. Its totient is φ = 228096000.
The previous prime is 505050521. The next prime is 505050529. The reversal of 505050525 is 525050505.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (505050521) and next prime (505050529).
It is not a de Polignac number, because 505050525 - 22 = 505050521 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505050521) 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 95 ways as a sum of consecutive naturals, for example, 419925 + ... + 421125.
It is an arithmetic number, because the mean of its divisors is an integer number (11178600).
Almost surely, 2505050525 is an apocalyptic number.
It is an amenable number.
505050525 is an abundant number, since it is smaller than the sum of its proper divisors (568095075).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505050525 is a wasteful number, since it uses less digits than its factorization.
505050525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1316 (or 1305 counting only the distinct ones).
The product of its (nonzero) digits is 6250, while the sum is 27.
The square root of 505050525 is about 22473.3291926230. The cubic root of 505050525 is about 796.3639810150.
The spelling of 505050525 in words is "five hundred five million, fifty thousand, five hundred twenty-five".
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