Base | Representation |
---|---|
bin | 1011110010000… |
… | …1101010010000 |
3 | 10102222211210100 |
4 | 2330201222100 |
5 | 100122432234 |
6 | 4523132400 |
7 | 1140033246 |
oct | 274415220 |
9 | 112884710 |
10 | 49420944 |
11 | 25995761 |
12 | 14674100 |
13 | a314981 |
14 | 67c6796 |
15 | 4513399 |
hex | 2f21a90 |
49420944 has 60 divisors (see below), whose sum is σ = 142784512. Its totient is φ = 15940800.
The previous prime is 49420909. The next prime is 49420961. The reversal of 49420944 is 44902494.
It is a happy number.
It is a super-2 number, since 2×494209442 = 4884859411702272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 49420899 and 49420908.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072 + ... + 9999.
Almost surely, 249420944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49420944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71392256).
49420944 is an abundant number, since it is smaller than the sum of its proper divisors (93363568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49420944 is a wasteful number, since it uses less digits than its factorization.
49420944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11116 (or 11107 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 49420944 is about 7030.0031294445. The cubic root of 49420944 is about 366.9754504487.
The spelling of 49420944 in words is "forty-nine million, four hundred twenty thousand, nine hundred forty-four".
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