Base | Representation |
---|---|
bin | 11000111010010… |
… | …11001011000010 |
3 | 112120020000011102 |
4 | 30131023023002 |
5 | 411444141110 |
6 | 32423014402 |
7 | 5115153122 |
oct | 1435131302 |
9 | 476200142 |
10 | 208974530 |
11 | a7a62726 |
12 | 59b9a402 |
13 | 343aa18b |
14 | 1da7ac82 |
15 | 1352d5a5 |
hex | c74b2c2 |
208974530 has 16 divisors (see below), whose sum is σ = 376747200. Its totient is φ = 83458032.
The previous prime is 208974529. The next prime is 208974547. The reversal of 208974530 is 35479802.
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 7 ways as a sum of consecutive naturals, for example, 9680 + ... + 22619.
It is an arithmetic number, because the mean of its divisors is an integer number (23546700).
Almost surely, 2208974530 is an apocalyptic number.
208974530 is a deficient number, since it is larger than the sum of its proper divisors (167772670).
208974530 is a wasteful number, since it uses less digits than its factorization.
208974530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32953.
The product of its (nonzero) digits is 60480, while the sum is 38.
The square root of 208974530 is about 14455.9513695917. The cubic root of 208974530 is about 593.4231060422.
The spelling of 208974530 in words is "two hundred eight million, nine hundred seventy-four thousand, five hundred thirty".
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