Base | Representation |
---|---|
bin | 1011101100000… |
… | …0001110111000 |
3 | 10102020120101012 |
4 | 2323000032320 |
5 | 100022200010 |
6 | 4510413052 |
7 | 1133451635 |
oct | 273001670 |
9 | 112216335 |
10 | 49021880 |
11 | 25742956 |
12 | 14501188 |
13 | a20513b |
14 | 672118c |
15 | 4485005 |
hex | 2ec03b8 |
49021880 has 32 divisors (see below), whose sum is σ = 116789040. Its totient is φ = 18455040.
The previous prime is 49021871. The next prime is 49021891. The reversal of 49021880 is 8812094.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35366 + ... + 36725.
Almost surely, 249021880 is an apocalyptic number.
49021880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49021880 is an abundant number, since it is smaller than the sum of its proper divisors (67767160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49021880 is a wasteful number, since it uses less digits than its factorization.
49021880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72119 (or 72115 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 49021880 is about 7001.5626827159. The cubic root of 49021880 is about 365.9850292980.
The spelling of 49021880 in words is "forty-nine million, twenty-one thousand, eight hundred eighty".
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