Base | Representation |
---|---|
bin | 1010001000010… |
… | …1000011001111 |
3 | 2221221121121012 |
4 | 2202011003033 |
5 | 41334104030 |
6 | 4114355435 |
7 | 1024066523 |
oct | 242050317 |
9 | 87847535 |
10 | 42488015 |
11 | 21a8a969 |
12 | 1228bb7b |
13 | 8a5814b |
14 | 58ddd83 |
15 | 3ae4095 |
hex | 28850cf |
42488015 has 32 divisors (see below), whose sum is σ = 57148416. Its totient is φ = 30159360.
The previous prime is 42488003. The next prime is 42488023. The reversal of 42488015 is 51088424.
It is a happy number.
It is not a de Polignac number, because 42488015 - 220 = 41439439 is a prime.
It is a Duffinian number.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 201260 + ... + 201470.
It is an arithmetic number, because the mean of its divisors is an integer number (1785888).
Almost surely, 242488015 is an apocalyptic number.
42488015 is a deficient number, since it is larger than the sum of its proper divisors (14660401).
42488015 is a wasteful number, since it uses less digits than its factorization.
42488015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359.
The product of its (nonzero) digits is 10240, while the sum is 32.
The square root of 42488015 is about 6518.2831328502. The cubic root of 42488015 is about 348.9437954608.
The spelling of 42488015 in words is "forty-two million, four hundred eighty-eight thousand, fifteen".
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