Base | Representation |
---|---|
bin | 1011110101001… |
… | …0000110110101 |
3 | 10110100220222212 |
4 | 2331102012311 |
5 | 100200310011 |
6 | 4531303205 |
7 | 1141520630 |
oct | 275220665 |
9 | 113326885 |
10 | 49619381 |
11 | 26010859 |
12 | 1474ab05 |
13 | a3840a6 |
14 | 6838c17 |
15 | 455208b |
hex | 2f521b5 |
49619381 has 8 divisors (see below), whose sum is σ = 57270144. Its totient is φ = 42109200.
The previous prime is 49619371. The next prime is 49619387. The reversal of 49619381 is 18391694.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49619381 - 210 = 49618357 is a prime.
It is a super-2 number, since 2×496193812 = 4924165941646322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49619387) 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, 34385 + ... + 35798.
It is an arithmetic number, because the mean of its divisors is an integer number (7158768).
Almost surely, 249619381 is an apocalyptic number.
It is an amenable number.
49619381 is a deficient number, since it is larger than the sum of its proper divisors (7650763).
49619381 is a wasteful number, since it uses less digits than its factorization.
49619381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70291.
The product of its digits is 46656, while the sum is 41.
The square root of 49619381 is about 7044.1025688160. The cubic root of 49619381 is about 367.4659594860.
The spelling of 49619381 in words is "forty-nine million, six hundred nineteen thousand, three hundred eighty-one".
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