Base | Representation |
---|---|
bin | 1011111010011… |
… | …1111111111110 |
3 | 10111000210121010 |
4 | 2332213333332 |
5 | 100243034243 |
6 | 4543020050 |
7 | 1144514424 |
oct | 276477776 |
9 | 114023533 |
10 | 49971198 |
11 | 26231112 |
12 | 1489a626 |
13 | a478274 |
14 | 68cb114 |
15 | 45c1433 |
hex | 2fa7ffe |
49971198 has 16 divisors (see below), whose sum is σ = 100730880. Its totient is φ = 16525656.
The previous prime is 49971193. The next prime is 49971221. The reversal of 49971198 is 89117994.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49971193) 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, 32028 + ... + 33551.
It is an arithmetic number, because the mean of its divisors is an integer number (6295680).
Almost surely, 249971198 is an apocalyptic number.
49971198 is an abundant number, since it is smaller than the sum of its proper divisors (50759682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49971198 is a wasteful number, since it uses less digits than its factorization.
49971198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65711.
The product of its digits is 163296, while the sum is 48.
The square root of 49971198 is about 7069.0309095377. The cubic root of 49971198 is about 368.3323979602.
The spelling of 49971198 in words is "forty-nine million, nine hundred seventy-one thousand, one hundred ninety-eight".
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