Base | Representation |
---|---|
bin | 1001010111111… |
… | …0001111010101 |
3 | 2201222101012111 |
4 | 2111332033111 |
5 | 40031030024 |
6 | 3522351021 |
7 | 655111132 |
oct | 225761725 |
9 | 81871174 |
10 | 39314389 |
11 | 20212534 |
12 | 111bb471 |
13 | 81b676a |
14 | 5315589 |
15 | 36b8a94 |
hex | 257e3d5 |
39314389 has 4 divisors (see below), whose sum is σ = 39334924. Its totient is φ = 39293856.
The previous prime is 39314377. The next prime is 39314411. The reversal of 39314389 is 98341393.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98341393 = 31 ⋅3172303.
It can be written as a sum of positive squares in 2 ways, for example, as 17766225 + 21548164 = 4215^2 + 4642^2 .
It is a cyclic number.
It is not a de Polignac number, because 39314389 - 223 = 30925781 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 (39314329) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7062 + ... + 11335.
It is an arithmetic number, because the mean of its divisors is an integer number (9833731).
Almost surely, 239314389 is an apocalyptic number.
It is an amenable number.
39314389 is a deficient number, since it is larger than the sum of its proper divisors (20535).
39314389 is a wasteful number, since it uses less digits than its factorization.
39314389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20534.
The product of its digits is 69984, while the sum is 40.
The square root of 39314389 is about 6270.1187389076. The cubic root of 39314389 is about 340.0299541084.
The spelling of 39314389 in words is "thirty-nine million, three hundred fourteen thousand, three hundred eighty-nine".
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