Base | Representation |
---|---|
bin | 1111001010011101110110 |
3 | 21110221201100 |
4 | 33022131312 |
5 | 2004200110 |
6 | 221110530 |
7 | 45534003 |
oct | 17123566 |
9 | 7427640 |
10 | 3975030 |
11 | 2275554 |
12 | 13b8446 |
13 | a923b7 |
14 | 7568aa |
15 | 537bc0 |
hex | 3ca776 |
3975030 has 48 divisors (see below), whose sum is σ = 10698480. Its totient is φ = 1022784.
The previous prime is 3975017. The next prime is 3975031. The reversal of 3975030 is 305793.
It is a junction number, because it is equal to n+sod(n) for n = 3974985 and 3975003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3975031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1849 + ... + 3371.
It is an arithmetic number, because the mean of its divisors is an integer number (222885).
Almost surely, 23975030 is an apocalyptic number.
3975030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3975030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5349240).
3975030 is an abundant number, since it is smaller than the sum of its proper divisors (6723450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3975030 is a wasteful number, since it uses less digits than its factorization.
3975030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565 (or 1562 counting only the distinct ones).
The product of its (nonzero) digits is 2835, while the sum is 27.
The square root of 3975030 is about 1993.7477272714. The cubic root of 3975030 is about 158.4091037773.
The spelling of 3975030 in words is "three million, nine hundred seventy-five thousand, thirty".
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