Base | Representation |
---|---|
bin | 10001110000110… |
… | …00111101111101 |
3 | 101101100222122210 |
4 | 20320120331331 |
5 | 301121000221 |
6 | 22441331033 |
7 | 3456323340 |
oct | 1070307575 |
9 | 341328583 |
10 | 149000061 |
11 | 77119a51 |
12 | 41a96a79 |
13 | 24b3ba22 |
14 | 15b08457 |
15 | d133276 |
hex | 8e18f7d |
149000061 has 8 divisors (see below), whose sum is σ = 227047744. Its totient is φ = 85142880.
The previous prime is 149000021. The next prime is 149000099. The reversal of 149000061 is 160000941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 149000061 - 27 = 148999933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 7095241 = 149000061 / (1 + 4 + 9 + 0 + 0 + 0 + 0 + 6 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149000021) 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, 3547600 + ... + 3547641.
It is an arithmetic number, because the mean of its divisors is an integer number (28380968).
Almost surely, 2149000061 is an apocalyptic number.
It is an amenable number.
149000061 is a deficient number, since it is larger than the sum of its proper divisors (78047683).
149000061 is an equidigital number, since it uses as much as digits as its factorization.
149000061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7095251.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 149000061 is about 12206.5581143908. The cubic root of 149000061 is about 530.1459915846.
The spelling of 149000061 in words is "one hundred forty-nine million, sixty-one", and thus it is an aban number.
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