Base | Representation |
---|---|
bin | 111001000010101… |
… | …1110011110000101 |
3 | 11221101121012201211 |
4 | 1302011132132011 |
5 | 12404443210044 |
6 | 513532251421 |
7 | 65301025102 |
oct | 16205363605 |
9 | 4841535654 |
10 | 1914038149 |
11 | 8a2474211 |
12 | 455010b71 |
13 | 24670a46a |
14 | 1422bdaa9 |
15 | b3082634 |
hex | 7215e785 |
1914038149 has 8 divisors (see below), whose sum is σ = 1956389760. Its totient is φ = 1872139776.
The previous prime is 1914038129. The next prime is 1914038153. The reversal of 1914038149 is 9418304191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1914038149 - 25 = 1914038117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1914038129) 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, 104764 + ... + 121669.
It is an arithmetic number, because the mean of its divisors is an integer number (244548720).
Almost surely, 21914038149 is an apocalyptic number.
It is an amenable number.
1914038149 is a deficient number, since it is larger than the sum of its proper divisors (42351611).
1914038149 is a wasteful number, since it uses less digits than its factorization.
1914038149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226619.
The product of its (nonzero) digits is 31104, while the sum is 40.
The square root of 1914038149 is about 43749.7217019720. The cubic root of 1914038149 is about 1241.6052201314.
The spelling of 1914038149 in words is "one billion, nine hundred fourteen million, thirty-eight thousand, one hundred forty-nine".
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