Base | Representation |
---|---|
bin | 1011110001010… |
… | …1101111101100 |
3 | 10102220100211210 |
4 | 2330111233230 |
5 | 100114402030 |
6 | 4522114420 |
7 | 1136441046 |
oct | 274255754 |
9 | 112810753 |
10 | 49372140 |
11 | 25962024 |
12 | 1464ba10 |
13 | a2c86ac |
14 | 67b2a96 |
15 | 4503bb0 |
hex | 2f15bec |
49372140 has 48 divisors (see below), whose sum is σ = 138976992. Its totient is φ = 13095936.
The previous prime is 49372129. The next prime is 49372151. The reversal of 49372140 is 4127394.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (49372129) and next prime (49372151).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 49372098 and 49372107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9732 + ... + 13908.
It is an arithmetic number, because the mean of its divisors is an integer number (2895354).
Almost surely, 249372140 is an apocalyptic number.
It is an amenable number.
49372140 is an abundant number, since it is smaller than the sum of its proper divisors (89604852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49372140 is a wasteful number, since it uses less digits than its factorization.
49372140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4386 (or 4384 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 49372140 is about 7026.5311498634. The cubic root of 49372140 is about 366.8546125535.
The spelling of 49372140 in words is "forty-nine million, three hundred seventy-two thousand, one hundred forty".
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