Base | Representation |
---|---|
bin | 100100100000… |
… | …0001001101010 |
3 | 1100000021012121 |
4 | 1021000021222 |
5 | 14344342010 |
6 | 1522101454 |
7 | 321443245 |
oct | 111001152 |
9 | 40007177 |
10 | 19137130 |
11 | a891011 |
12 | 64aa88a |
13 | 3c7075c |
14 | 278225c |
15 | 1a303da |
hex | 124026a |
19137130 has 32 divisors (see below), whose sum is σ = 35315280. Its totient is φ = 7464960.
The previous prime is 19137109. The next prime is 19137163. The reversal of 19137130 is 3173191.
It can be written as a sum of positive squares in 8 ways, for example, as 3621409 + 15515721 = 1903^2 + 3939^2 .
It is a junction number, because it is equal to n+sod(n) for n = 19137095 and 19137104.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105640 + ... + 105820.
Almost surely, 219137130 is an apocalyptic number.
19137130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19137130 is a deficient number, since it is larger than the sum of its proper divisors (16178150).
19137130 is a wasteful number, since it uses less digits than its factorization.
19137130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394.
The product of its (nonzero) digits is 567, while the sum is 25.
The square root of 19137130 is about 4374.6005531934. The cubic root of 19137130 is about 267.4805878713.
The spelling of 19137130 in words is "nineteen million, one hundred thirty-seven thousand, one hundred thirty".
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