Base | Representation |
---|---|
bin | 11110010010011… |
… | …110110001000010 |
3 | 1022102012020222010 |
4 | 132102132301002 |
5 | 2020042123330 |
6 | 122231353350 |
7 | 15410204133 |
oct | 3622366102 |
9 | 1272166863 |
10 | 508161090 |
11 | 240930a48 |
12 | 122222856 |
13 | 81381948 |
14 | 4b6bbc8a |
15 | 2e92b3b0 |
hex | 1e49ec42 |
508161090 has 16 divisors (see below), whose sum is σ = 1219586688. Its totient is φ = 135509616.
The previous prime is 508161089. The next prime is 508161091. The reversal of 508161090 is 90161805.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (508161089) and next prime (508161091).
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 16938703 = 508161090 / (5 + 0 + 8 + 1 + 6 + 1 + 0 + 9 + 0).
It is not an unprimeable number, because it can be changed into a prime (508161091) 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, 8469322 + ... + 8469381.
It is an arithmetic number, because the mean of its divisors is an integer number (76224168).
Almost surely, 2508161090 is an apocalyptic number.
508161090 is an abundant number, since it is smaller than the sum of its proper divisors (711425598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
508161090 is a wasteful number, since it uses less digits than its factorization.
508161090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16938713.
The product of its (nonzero) digits is 2160, while the sum is 30.
The square root of 508161090 is about 22542.4286624135. The cubic root of 508161090 is about 797.9955496263.
The spelling of 508161090 in words is "five hundred eight million, one hundred sixty-one thousand, ninety".
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