Base | Representation |
---|---|
bin | 1011111001110… |
… | …0101101110100 |
3 | 10110221110012100 |
4 | 2332130231310 |
5 | 100240044410 |
6 | 4542022100 |
7 | 1144232610 |
oct | 276345564 |
9 | 113843170 |
10 | 49924980 |
11 | 261aa416 |
12 | 14877930 |
13 | a460211 |
14 | 68b8340 |
15 | 45b28c0 |
hex | 2f9cb74 |
49924980 has 72 divisors (see below), whose sum is σ = 173077632. Its totient is φ = 11411136.
The previous prime is 49924969. The next prime is 49924997. The reversal of 49924980 is 8942994.
It is a super-3 number, since 3×499249803 (a number of 24 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18552 + ... + 21071.
It is an arithmetic number, because the mean of its divisors is an integer number (2403856).
Almost surely, 249924980 is an apocalyptic number.
It is an amenable number.
49924980 is an abundant number, since it is smaller than the sum of its proper divisors (123152652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49924980 is a wasteful number, since it uses less digits than its factorization.
49924980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39645 (or 39640 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 49924980 is about 7065.7611055002. The cubic root of 49924980 is about 368.2188069419.
The spelling of 49924980 in words is "forty-nine million, nine hundred twenty-four thousand, nine hundred eighty".
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