Base | Representation |
---|---|
bin | 1111000101101011101000 |
3 | 21102221211111 |
4 | 33011223220 |
5 | 2003033212 |
6 | 220440104 |
7 | 45422605 |
oct | 17055350 |
9 | 7387744 |
10 | 3955432 |
11 | 2261858 |
12 | 13a9034 |
13 | a864c0 |
14 | 74d6ac |
15 | 531ea7 |
hex | 3c5ae8 |
3955432 has 32 divisors (see below), whose sum is σ = 8111880. Its totient is φ = 1797120.
The previous prime is 3955429. The next prime is 3955433. The reversal of 3955432 is 2345593.
It can be written as a sum of positive squares in 4 ways, for example, as 2452356 + 1503076 = 1566^2 + 1226^2 .
It is a junction number, because it is equal to n+sod(n) for n = 3955394 and 3955403.
It is not an unprimeable number, because it can be changed into a prime (3955433) 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, 7332 + ... + 7852.
Almost surely, 23955432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3955432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4055940).
3955432 is an abundant number, since it is smaller than the sum of its proper divisors (4156448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3955432 is a wasteful number, since it uses less digits than its factorization.
3955432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613 (or 609 counting only the distinct ones).
The product of its digits is 16200, while the sum is 31.
The square root of 3955432 is about 1988.8267898437. The cubic root of 3955432 is about 158.1483411622.
The spelling of 3955432 in words is "three million, nine hundred fifty-five thousand, four hundred thirty-two".
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