Base | Representation |
---|---|
bin | 1011110001110… |
… | …0110111100000 |
3 | 10102221211212020 |
4 | 2330130313200 |
5 | 100121320222 |
6 | 4522501440 |
7 | 1136622102 |
oct | 274346740 |
9 | 112854766 |
10 | 49401312 |
11 | 25981a34 |
12 | 14664880 |
13 | a308a5c |
14 | 67bd572 |
15 | 450c65c |
hex | 2f1cde0 |
49401312 has 48 divisors (see below), whose sum is σ = 130228560. Its totient is φ = 16397312.
The previous prime is 49401301. The next prime is 49401343. The reversal of 49401312 is 21310494.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
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, 24868 + ... + 26780.
It is an arithmetic number, because the mean of its divisors is an integer number (2713095).
Almost surely, 249401312 is an apocalyptic number.
49401312 is the 5739-th pentagonal number.
It is an amenable number.
49401312 is an abundant number, since it is smaller than the sum of its proper divisors (80827248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49401312 is a wasteful number, since it uses less digits than its factorization.
49401312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2195 (or 2187 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 49401312 is about 7028.6066898070. The cubic root of 49401312 is about 366.9268515104.
The spelling of 49401312 in words is "forty-nine million, four hundred one thousand, three hundred twelve".
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