Base | Representation |
---|---|
bin | 1111101100100… |
… | …11000011101001 |
3 | 100011202202020121 |
4 | 13312103003221 |
5 | 232202034340 |
6 | 21022123241 |
7 | 3156133135 |
oct | 766230351 |
9 | 304682217 |
10 | 131674345 |
11 | 68365980 |
12 | 38120521 |
13 | 2138391a |
14 | 136b83c5 |
15 | b85e94a |
hex | 7d930e9 |
131674345 has 8 divisors (see below), whose sum is σ = 172373760. Its totient is φ = 95763120.
The previous prime is 131674331. The next prime is 131674357. The reversal of 131674345 is 543476131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131674345 - 27 = 131674217 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131674345.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196985 + ... + 1197094.
It is an arithmetic number, because the mean of its divisors is an integer number (21546720).
Almost surely, 2131674345 is an apocalyptic number.
It is an amenable number.
131674345 is a deficient number, since it is larger than the sum of its proper divisors (40699415).
131674345 is a wasteful number, since it uses less digits than its factorization.
131674345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2394095.
The product of its digits is 30240, while the sum is 34.
The square root of 131674345 is about 11474.9442264440. The cubic root of 131674345 is about 508.7452752068.
It can be divided in two parts, 131 and 674345, that added together give a palindrome (674476).
The spelling of 131674345 in words is "one hundred thirty-one million, six hundred seventy-four thousand, three hundred forty-five".
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