Base | Representation |
---|---|
bin | 1011011111010… |
… | …0001000101101 |
3 | 10100200002122000 |
4 | 2313310020231 |
5 | 44313422101 |
6 | 4440442513 |
7 | 1123400451 |
oct | 267641055 |
9 | 110602560 |
10 | 48185901 |
11 | 25221865 |
12 | 14179439 |
13 | 9ca178a |
14 | 6584661 |
15 | 436c486 |
hex | 2df422d |
48185901 has 16 divisors (see below), whose sum is σ = 71641920. Its totient is φ = 32009040.
The previous prime is 48185887. The next prime is 48185903. The reversal of 48185901 is 10958184.
It is not a de Polignac number, because 48185901 - 25 = 48185869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48185903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866 + ... + 10956.
It is an arithmetic number, because the mean of its divisors is an integer number (4477620).
Almost surely, 248185901 is an apocalyptic number.
It is an amenable number.
48185901 is a deficient number, since it is larger than the sum of its proper divisors (23456019).
48185901 is a wasteful number, since it uses less digits than its factorization.
48185901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6393 (or 6387 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 48185901 is about 6941.6065143452. The cubic root of 48185901 is about 363.8926871395.
The spelling of 48185901 in words is "forty-eight million, one hundred eighty-five thousand, nine hundred one".
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