Base | Representation |
---|---|
bin | 1011111010011… |
… | …1110010010000 |
3 | 10111000202101121 |
4 | 2332213302100 |
5 | 100243022240 |
6 | 4543012024 |
7 | 1144512031 |
oct | 276476220 |
9 | 114022347 |
10 | 49970320 |
11 | 26230494 |
12 | 1489a014 |
13 | a477a4a |
14 | 68caa88 |
15 | 45c104a |
hex | 2fa7c90 |
49970320 has 40 divisors (see below), whose sum is σ = 116476920. Its totient is φ = 19937280.
The previous prime is 49970317. The next prime is 49970321. The reversal of 49970320 is 2307994.
It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 49787136 = 428^2 + 7056^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (49970321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56280 + ... + 57160.
It is an arithmetic number, because the mean of its divisors is an integer number (2911923).
Almost surely, 249970320 is an apocalyptic number.
49970320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49970320 is an abundant number, since it is smaller than the sum of its proper divisors (66506600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49970320 is a wasteful number, since it uses less digits than its factorization.
49970320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603 (or 1597 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 49970320 is about 7068.9688074004. The cubic root of 49970320 is about 368.3302407326.
The spelling of 49970320 in words is "forty-nine million, nine hundred seventy thousand, three hundred twenty".
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