Base | Representation |
---|---|
bin | 110100011011… |
… | …011111000111 |
3 | 221212021022200 |
4 | 310123133013 |
5 | 12004302241 |
6 | 1210325543 |
7 | 224552115 |
oct | 64333707 |
9 | 27767280 |
10 | 13744071 |
11 | 7838140 |
12 | 47298b3 |
13 | 2b02ab3 |
14 | 1b7aab5 |
15 | 13174b6 |
hex | d1b7c7 |
13744071 has 12 divisors (see below), whose sum is σ = 21657480. Its totient is φ = 8329680.
The previous prime is 13744063. The next prime is 13744097. The reversal of 13744071 is 17044731.
It is not a de Polignac number, because 13744071 - 23 = 13744063 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13744001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69316 + ... + 69513.
It is an arithmetic number, because the mean of its divisors is an integer number (1804790).
Almost surely, 213744071 is an apocalyptic number.
13744071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13744071 is a deficient number, since it is larger than the sum of its proper divisors (7913409).
13744071 is a wasteful number, since it uses less digits than its factorization.
13744071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138846 (or 138843 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 13744071 is about 3707.2996911499. The cubic root of 13744071 is about 239.5365535652.
It can be divided in two parts, 1374 and 4071, that added together give a palindrome (5445).
The spelling of 13744071 in words is "thirteen million, seven hundred forty-four thousand, seventy-one".
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