Base | Representation |
---|---|
bin | 110100010010… |
… | …000011111110 |
3 | 221210022101000 |
4 | 310102003332 |
5 | 12002033340 |
6 | 1205431130 |
7 | 224331432 |
oct | 64220376 |
9 | 27708330 |
10 | 13705470 |
11 | 7811139 |
12 | 470b4a6 |
13 | 2abb35c |
14 | 1b6a9c2 |
15 | 130ad30 |
hex | d120fe |
13705470 has 64 divisors (see below), whose sum is σ = 38154240. Its totient is φ = 3494304.
The previous prime is 13705469. The next prime is 13705507. The reversal of 13705470 is 7450731.
13705470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5107 + ... + 7313.
It is an arithmetic number, because the mean of its divisors is an integer number (596160).
Almost surely, 213705470 is an apocalyptic number.
13705470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13705470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19077120).
13705470 is an abundant number, since it is smaller than the sum of its proper divisors (24448770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13705470 is a wasteful number, since it uses less digits than its factorization.
13705470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2246 (or 2240 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 13705470 is about 3702.0899502848. The cubic root of 13705470 is about 239.3120926483.
The spelling of 13705470 in words is "thirteen million, seven hundred five thousand, four hundred seventy".
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