Base | Representation |
---|---|
bin | 1100001101110… |
… | …00111101110010 |
3 | 21010210222201022 |
4 | 12012320331302 |
5 | 202213010430 |
6 | 14100135442 |
7 | 2352655604 |
oct | 606707562 |
9 | 233728638 |
10 | 102469490 |
11 | 52928932 |
12 | 2a397582 |
13 | 182c9846 |
14 | d875174 |
15 | 8ee14e5 |
hex | 61b8f72 |
102469490 has 16 divisors (see below), whose sum is σ = 185404248. Its totient is φ = 40774656.
The previous prime is 102469487. The next prime is 102469519. The reversal of 102469490 is 94964201.
It can be written as a sum of positive squares in 4 ways, for example, as 82210489 + 20259001 = 9067^2 + 4501^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 102469490.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24617 + ... + 28476.
Almost surely, 2102469490 is an apocalyptic number.
102469490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102469490 is a deficient number, since it is larger than the sum of its proper divisors (82934758).
102469490 is a wasteful number, since it uses less digits than its factorization.
102469490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53293.
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 102469490 is about 10122.7214720153. The cubic root of 102469490 is about 467.9486423055.
The spelling of 102469490 in words is "one hundred two million, four hundred sixty-nine thousand, four hundred ninety".
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