Base | Representation |
---|---|
bin | 110011001111… |
… | …110011011000 |
3 | 221021112002020 |
4 | 303033303120 |
5 | 11414342242 |
6 | 1155534440 |
7 | 222121251 |
oct | 63176330 |
9 | 27245066 |
10 | 13434072 |
11 | 7646243 |
12 | 45ba420 |
13 | 2a24972 |
14 | 1ad9b28 |
15 | 12a56ec |
hex | ccfcd8 |
13434072 has 32 divisors (see below), whose sum is σ = 33835200. Its totient is φ = 4444704.
The previous prime is 13434059. The next prime is 13434073. The reversal of 13434072 is 27043431.
Added to its reverse (27043431) it gives a triangular number (40477503 = T8997).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13434073) 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, 1323 + ... + 5349.
It is an arithmetic number, because the mean of its divisors is an integer number (1057350).
Almost surely, 213434072 is an apocalyptic number.
13434072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13434072 is an abundant number, since it is smaller than the sum of its proper divisors (20401128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13434072 is a wasteful number, since it uses less digits than its factorization.
13434072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4175 (or 4171 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 13434072 is about 3665.2519695104. The cubic root of 13434072 is about 237.7219170480.
Adding to 13434072 its reverse (27043431), we get a triangular number (40477503 = T8997).
The spelling of 13434072 in words is "thirteen million, four hundred thirty-four thousand, seventy-two".
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