Base | Representation |
---|---|
bin | 100110101010100… |
… | …1110000001001010 |
3 | 10100102022011021220 |
4 | 1031111032001022 |
5 | 10124114024244 |
6 | 332423542510 |
7 | 44102533554 |
oct | 11525160112 |
9 | 3312264256 |
10 | 1297408074 |
11 | 606397986 |
12 | 3025baa36 |
13 | 178a3b2b1 |
14 | c44484d4 |
15 | 78d7c319 |
hex | 4d54e04a |
1297408074 has 32 divisors (see below), whose sum is σ = 2751273216. Its totient is φ = 406464000.
The previous prime is 1297408067. The next prime is 1297408087. The reversal of 1297408074 is 4708047921.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68134 + ... + 85070.
It is an arithmetic number, because the mean of its divisors is an integer number (85977288).
Almost surely, 21297408074 is an apocalyptic number.
1297408074 is an abundant number, since it is smaller than the sum of its proper divisors (1453865142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297408074 is a wasteful number, since it uses less digits than its factorization.
1297408074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17710.
The product of its (nonzero) digits is 112896, while the sum is 42.
The square root of 1297408074 is about 36019.5512742733. The cubic root of 1297408074 is about 1090.6670646786.
The spelling of 1297408074 in words is "one billion, two hundred ninety-seven million, four hundred eight thousand, seventy-four".
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