Base | Representation |
---|---|
bin | 1011101101110… |
… | …1010010110110 |
3 | 10102110121200000 |
4 | 2323131102312 |
5 | 100040002133 |
6 | 4513132130 |
7 | 1134455661 |
oct | 273352266 |
9 | 112417600 |
10 | 49140918 |
11 | 25814332 |
12 | 1455a046 |
13 | a247388 |
14 | 67526d8 |
15 | 44aa413 |
hex | 2edd4b6 |
49140918 has 24 divisors (see below), whose sum is σ = 110416488. Its totient is φ = 16380144.
The previous prime is 49140913. The next prime is 49140937. The reversal of 49140918 is 81904194.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49140913) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50071 + ... + 51042.
It is an arithmetic number, because the mean of its divisors is an integer number (4600687).
Almost surely, 249140918 is an apocalyptic number.
49140918 is an abundant number, since it is smaller than the sum of its proper divisors (61275570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49140918 is a wasteful number, since it uses less digits than its factorization.
49140918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101130 (or 101118 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 49140918 is about 7010.0583449783. The cubic root of 49140918 is about 366.2810257665.
The spelling of 49140918 in words is "forty-nine million, one hundred forty thousand, nine hundred eighteen".
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