Base | Representation |
---|---|
bin | 1111001100001… |
… | …00100011111110 |
3 | 22212202122022002 |
4 | 13212010203332 |
5 | 230104430140 |
6 | 20351022302 |
7 | 3105025556 |
oct | 746044376 |
9 | 285678262 |
10 | 127420670 |
11 | 65a20043 |
12 | 3680a992 |
13 | 20524760 |
14 | 12ccc166 |
15 | b2be415 |
hex | 79848fe |
127420670 has 16 divisors (see below), whose sum is σ = 247000320. Its totient is φ = 47047584.
The previous prime is 127420651. The next prime is 127420679. The reversal of 127420670 is 76024721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127420679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489950 + ... + 490209.
It is an arithmetic number, because the mean of its divisors is an integer number (15437520).
Almost surely, 2127420670 is an apocalyptic number.
127420670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127420670 is a deficient number, since it is larger than the sum of its proper divisors (119579650).
127420670 is a wasteful number, since it uses less digits than its factorization.
127420670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980179.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 127420670 is about 11288.0764526114. The cubic root of 127420670 is about 503.2069470060.
The spelling of 127420670 in words is "one hundred twenty-seven million, four hundred twenty thousand, six hundred seventy".
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