Base | Representation |
---|---|
bin | 1110111111101000… |
… | …1011011011101111 |
3 | 101101111202110222011 |
4 | 3233322023123233 |
5 | 31220400141212 |
6 | 1503221502051 |
7 | 201512661544 |
oct | 35772133357 |
9 | 11344673864 |
10 | 4025005807 |
11 | 1786013489 |
12 | 943b71927 |
13 | 4c1b68454 |
14 | 2a27c2bcb |
15 | 1885644a7 |
hex | efe8b6ef |
4025005807 has 8 divisors (see below), whose sum is σ = 4155761792. Its totient is φ = 3894307200.
The previous prime is 4025005739. The next prime is 4025005823. The reversal of 4025005807 is 7085005204.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4025005807 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4025005877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163363 + ... + 186379.
It is an arithmetic number, because the mean of its divisors is an integer number (519470224).
Almost surely, 24025005807 is an apocalyptic number.
4025005807 is a deficient number, since it is larger than the sum of its proper divisors (130755985).
4025005807 is a wasteful number, since it uses less digits than its factorization.
4025005807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28689.
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 4025005807 is about 63442.9334678024. The cubic root of 4025005807 is about 1590.7020365405.
The spelling of 4025005807 in words is "four billion, twenty-five million, five thousand, eight hundred seven".
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