Base | Representation |
---|---|
bin | 1011110101000… |
… | …1110000001010 |
3 | 10110100212000010 |
4 | 2331101300022 |
5 | 100200233210 |
6 | 4531252350 |
7 | 1141513455 |
oct | 275216012 |
9 | 113325003 |
10 | 49617930 |
11 | 2600a75a |
12 | 1474a0b6 |
13 | a38352b |
14 | 683849c |
15 | 4551920 |
hex | 2f51c0a |
49617930 has 32 divisors (see below), whose sum is σ = 125352000. Its totient is φ = 12534912.
The previous prime is 49617907. The next prime is 49617937. The reversal of 49617930 is 3971694.
It is not an unprimeable number, because it can be changed into a prime (49617937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42955 + ... + 44094.
It is an arithmetic number, because the mean of its divisors is an integer number (3917250).
Almost surely, 249617930 is an apocalyptic number.
49617930 is an abundant number, since it is smaller than the sum of its proper divisors (75734070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49617930 is a wasteful number, since it uses less digits than its factorization.
49617930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87078.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 49617930 is about 7043.9995741056. Note that the first 3 decimals coincide. The cubic root of 49617930 is about 367.4623775637.
The spelling of 49617930 in words is "forty-nine million, six hundred seventeen thousand, nine hundred thirty".
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