Base | Representation |
---|---|
bin | 1010000001010… |
… | …1010110011111 |
3 | 2221002101000000 |
4 | 2200111112133 |
5 | 41224433440 |
6 | 4100505343 |
7 | 1020152613 |
oct | 240252637 |
9 | 87071000 |
10 | 42030495 |
11 | 217a8151 |
12 | 120ab253 |
13 | 8927b20 |
14 | 5821343 |
15 | 3a53730 |
hex | 281559f |
42030495 has 56 divisors (see below), whose sum is σ = 81529056. Its totient is φ = 20668608.
The previous prime is 42030493. The next prime is 42030497. The reversal of 42030495 is 59403024.
42030495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (42030493) and next prime (42030497).
It is not a de Polignac number, because 42030495 - 21 = 42030493 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42030491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 46942 + ... + 47828.
It is an arithmetic number, because the mean of its divisors is an integer number (1455876).
Almost surely, 242030495 is an apocalyptic number.
42030495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
42030495 is a deficient number, since it is larger than the sum of its proper divisors (39498561).
42030495 is an equidigital number, since it uses as much as digits as its factorization.
42030495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 923 (or 908 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 42030495 is about 6483.0930118270. The cubic root of 42030495 is about 347.6867722569.
The spelling of 42030495 in words is "forty-two million, thirty thousand, four hundred ninety-five".
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