Base | Representation |
---|---|
bin | 1001010111100… |
… | …0100010010110 |
3 | 2201221012011100 |
4 | 2111320202112 |
5 | 40024303110 |
6 | 3522050530 |
7 | 654653052 |
oct | 225704226 |
9 | 81835140 |
10 | 39291030 |
11 | 201a6a29 |
12 | 111a9a46 |
13 | 81a8c3c |
14 | 530ac62 |
15 | 36b1bc0 |
hex | 2578896 |
39291030 has 48 divisors (see below), whose sum is σ = 102486384. Its totient is φ = 10443840.
The previous prime is 39291019. The next prime is 39291041. The reversal of 39291030 is 3019293.
It is an interprime number because it is at equal distance from previous prime (39291019) and next prime (39291041).
It is a junction number, because it is equal to n+sod(n) for n = 39290985 and 39291003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41017 + ... + 41963.
It is an arithmetic number, because the mean of its divisors is an integer number (2135133).
Almost surely, 239291030 is an apocalyptic number.
39291030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
39291030 is an abundant number, since it is smaller than the sum of its proper divisors (63195354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39291030 is a wasteful number, since it uses less digits than its factorization.
39291030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 39291030 is about 6268.2557382417. The cubic root of 39291030 is about 339.9625968082.
The spelling of 39291030 in words is "thirty-nine million, two hundred ninety-one thousand, thirty".
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