Base | Representation |
---|---|
bin | 1110111111101101… |
… | …1111111101101000 |
3 | 101101112102001220121 |
4 | 3233323133331220 |
5 | 31220442231130 |
6 | 1503233133024 |
7 | 201515633143 |
oct | 35773377550 |
9 | 11345361817 |
10 | 4025352040 |
11 | 178622a626 |
12 | 9440ba174 |
13 | 4c1c59c18 |
14 | 2a287305a |
15 | 1885d1d7a |
hex | efedff68 |
4025352040 has 32 divisors (see below), whose sum is σ = 9083025000. Its totient is φ = 1605521664.
The previous prime is 4025351999. The next prime is 4025352041. The reversal of 4025352040 is 402535204.
It can be written as a sum of positive squares in 4 ways, for example, as 3009400164 + 1015951876 = 54858^2 + 31874^2 .
It is a junction number, because it is equal to n+sod(n) for n = 4025351996 and 4025352014.
It is not an unprimeable number, because it can be changed into a prime (4025352041) 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, 130215 + ... + 158134.
Almost surely, 24025352040 is an apocalyptic number.
4025352040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4025352040 is an abundant number, since it is smaller than the sum of its proper divisors (5057672960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4025352040 is a wasteful number, since it uses less digits than its factorization.
4025352040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288709 (or 288705 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 4025352040 is about 63445.6621054584. The cubic root of 4025352040 is about 1590.7476462260.
Adding to 4025352040 its reverse (402535204), we get a palindrome (4427887244).
The spelling of 4025352040 in words is "four billion, twenty-five million, three hundred fifty-two thousand, forty".
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