Base | Representation |
---|---|
bin | 1110110011010111101111 |
3 | 21022010221200 |
4 | 32303113233 |
5 | 1443133211 |
6 | 215100543 |
7 | 44661132 |
oct | 16632757 |
9 | 7263850 |
10 | 3880431 |
11 | 2210475 |
12 | 1371753 |
13 | a5b319 |
14 | 730219 |
15 | 519b56 |
hex | 3b35ef |
3880431 has 12 divisors (see below), whose sum is σ = 5625360. Its totient is φ = 2577600.
The previous prime is 3880421. The next prime is 3880441. The reversal of 3880431 is 1340883.
It is an interprime number because it is at equal distance from previous prime (3880421) and next prime (3880441).
It is not a de Polignac number, because 3880431 - 29 = 3879919 is a prime.
It is a super-2 number, since 2×38804312 = 30115489491522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
3880431 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 3880395 and 3880404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3880411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2631 + ... + 3831.
It is an arithmetic number, because the mean of its divisors is an integer number (468780).
Almost surely, 23880431 is an apocalyptic number.
3880431 is a deficient number, since it is larger than the sum of its proper divisors (1744929).
3880431 is a wasteful number, since it uses less digits than its factorization.
3880431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1566 (or 1563 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 3880431 is about 1969.8809608705. The cubic root of 3880431 is about 157.1423783142.
The spelling of 3880431 in words is "three million, eight hundred eighty thousand, four hundred thirty-one".
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