Base | Representation |
---|---|
bin | 10010110101110100100000 |
3 | 100021221002102 |
4 | 102311310200 |
5 | 2231022130 |
6 | 253505532 |
7 | 56660351 |
oct | 22656440 |
9 | 10257072 |
10 | 4939040 |
11 | 2873857 |
12 | 17a22a8 |
13 | 103c112 |
14 | 927d28 |
15 | 678645 |
hex | 4b5d20 |
4939040 has 24 divisors (see below), whose sum is σ = 11668860. Its totient is φ = 1975552.
The previous prime is 4939037. The next prime is 4939049. The reversal of 4939040 is 409394.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 4343056 + 595984 = 2084^2 + 772^2 .
It is a super-2 number, since 2×49390402 = 48788232243200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 4938994 and 4939012.
It is not an unprimeable number, because it can be changed into a prime (4939049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15275 + ... + 15594.
Almost surely, 24939040 is an apocalyptic number.
4939040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4939040 is an abundant number, since it is smaller than the sum of its proper divisors (6729820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4939040 is a wasteful number, since it uses less digits than its factorization.
4939040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30884 (or 30876 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 4939040 is about 2222.3951043863. The cubic root of 4939040 is about 170.2998169440.
The spelling of 4939040 in words is "four million, nine hundred thirty-nine thousand, forty".
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