Base | Representation |
---|---|
bin | 111010100001… |
… | …010011000101 |
3 | 1001212101112121 |
4 | 322201103011 |
5 | 12411400431 |
6 | 1304445541 |
7 | 244252123 |
oct | 72412305 |
9 | 31771477 |
10 | 15340741 |
11 | 87287a9 |
12 | 51798b1 |
13 | 3241780 |
14 | 2074913 |
15 | 1530611 |
hex | ea14c5 |
15340741 has 4 divisors (see below), whose sum is σ = 16520812. Its totient is φ = 14160672.
The previous prime is 15340729. The next prime is 15340763. The reversal of 15340741 is 14704351.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14704351 = 113 ⋅130127.
It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 7756225 = 2754^2 + 2785^2 .
It is a cyclic number.
It is not a de Polignac number, because 15340741 - 29 = 15340229 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 (15347741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590016 + ... + 590041.
It is an arithmetic number, because the mean of its divisors is an integer number (4130203).
Almost surely, 215340741 is an apocalyptic number.
It is an amenable number.
15340741 is a deficient number, since it is larger than the sum of its proper divisors (1180071).
15340741 is a wasteful number, since it uses less digits than its factorization.
15340741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1180070.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 15340741 is about 3916.7258009720. The cubic root of 15340741 is about 248.4746643320.
It can be divided in two parts, 15 and 340741, that multiplied together give a palindrome (5111115).
The spelling of 15340741 in words is "fifteen million, three hundred forty thousand, seven hundred forty-one".
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