Base | Representation |
---|---|
bin | 1111001110100… |
… | …10100010101010 |
3 | 22220100212102212 |
4 | 13213102202222 |
5 | 230200140244 |
6 | 20401525122 |
7 | 3110526020 |
oct | 747224252 |
9 | 286325385 |
10 | 127740074 |
11 | 66119010 |
12 | 369437a2 |
13 | 20606c57 |
14 | 12d72710 |
15 | b333d9e |
hex | 79d28aa |
127740074 has 64 divisors (see below), whose sum is σ = 257541120. Its totient is φ = 45991680.
The previous prime is 127740073. The next prime is 127740079. The reversal of 127740074 is 470047721.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 127740074.
It is not an unprimeable number, because it can be changed into a prime (127740073) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154049 + ... + 154875.
It is an arithmetic number, because the mean of its divisors is an integer number (4024080).
Almost surely, 2127740074 is an apocalyptic number.
127740074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
127740074 is an abundant number, since it is smaller than the sum of its proper divisors (129801046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127740074 is a wasteful number, since it uses less digits than its factorization.
127740074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923.
The product of its (nonzero) digits is 10976, while the sum is 32.
The square root of 127740074 is about 11302.2154465397. The cubic root of 127740074 is about 503.6270572896.
Adding to 127740074 its reverse (470047721), we get a palindrome (597787795).
The spelling of 127740074 in words is "one hundred twenty-seven million, seven hundred forty thousand, seventy-four".
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