Base | Representation |
---|---|
bin | 1111001100010… |
… | …01110110100111 |
3 | 22212210202000210 |
4 | 13212021312213 |
5 | 230111123333 |
6 | 20351310503 |
7 | 3105146010 |
oct | 746116647 |
9 | 285722023 |
10 | 127442343 |
11 | 65a35356 |
12 | 3681b433 |
13 | 20531592 |
14 | 12cd6007 |
15 | b2c5a63 |
hex | 7989da7 |
127442343 has 16 divisors (see below), whose sum is σ = 194768640. Its totient is φ = 72610176.
The previous prime is 127442323. The next prime is 127442347. The reversal of 127442343 is 343244721.
It is not a de Polignac number, because 127442343 - 25 = 127442311 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 127442343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127442347) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458 + ... + 16031.
It is an arithmetic number, because the mean of its divisors is an integer number (12173040).
Almost surely, 2127442343 is an apocalyptic number.
127442343 is a deficient number, since it is larger than the sum of its proper divisors (67326297).
127442343 is a wasteful number, since it uses less digits than its factorization.
127442343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17846.
The product of its digits is 16128, while the sum is 30.
The square root of 127442343 is about 11289.0364070633. The cubic root of 127442343 is about 503.2354755691.
The spelling of 127442343 in words is "one hundred twenty-seven million, four hundred forty-two thousand, three hundred forty-three".
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