Base | Representation |
---|---|
bin | 1011101100000… |
… | …0000000000000 |
3 | 10102020112001221 |
4 | 2323000000000 |
5 | 100022132203 |
6 | 4510404424 |
7 | 1133446105 |
oct | 273000000 |
9 | 112215057 |
10 | 49020928 |
11 | 25742170 |
12 | 14500714 |
13 | a204888 |
14 | 6720aac |
15 | 4484abd |
hex | 2ec0000 |
49020928 has 76 divisors (see below), whose sum is σ = 113245992. Its totient is φ = 20971520.
The previous prime is 49020913. The next prime is 49020943. The reversal of 49020928 is 82902094.
It is an interprime number because it is at equal distance from previous prime (49020913) and next prime (49020943).
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a junction number, because it is equal to n+sod(n) for n = 49020893 and 49020902.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883576 + ... + 2883592.
Almost surely, 249020928 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 49020928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56622996).
49020928 is an abundant number, since it is smaller than the sum of its proper divisors (64225064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49020928 is an frugal number, since it uses more digits than its factorization.
49020928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 49020928 is about 7001.4946975628. The cubic root of 49020928 is about 365.9826601518.
The spelling of 49020928 in words is "forty-nine million, twenty thousand, nine hundred twenty-eight".
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