Base | Representation |
---|---|
bin | 10001101011111… |
… | …10111111101101 |
3 | 101100011221112120 |
4 | 20311332333231 |
5 | 300440310024 |
6 | 22420023153 |
7 | 3451055550 |
oct | 1065767755 |
9 | 340157476 |
10 | 148369389 |
11 | 76829133 |
12 | 41831ab9 |
13 | 2497a94c |
14 | 159c2697 |
15 | d05b479 |
hex | 8d7efed |
148369389 has 32 divisors (see below), whose sum is σ = 238823424. Its totient is φ = 80097600.
The previous prime is 148369381. The next prime is 148369399. The reversal of 148369389 is 983963841.
It is not a de Polignac number, because 148369389 - 23 = 148369381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148369381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38239 + ... + 41939.
It is an arithmetic number, because the mean of its divisors is an integer number (7463232).
Almost surely, 2148369389 is an apocalyptic number.
It is an amenable number.
148369389 is a deficient number, since it is larger than the sum of its proper divisors (90454035).
148369389 is a wasteful number, since it uses less digits than its factorization.
148369389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3817.
The product of its digits is 1119744, while the sum is 51.
The square root of 148369389 is about 12180.6973938277. The cubic root of 148369389 is about 529.3969514512.
The spelling of 148369389 in words is "one hundred forty-eight million, three hundred sixty-nine thousand, three hundred eighty-nine".
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