Base | Representation |
---|---|
bin | 110011011011… |
… | …001111011000 |
3 | 221100220100100 |
4 | 303123033120 |
5 | 11422342140 |
6 | 1200535400 |
7 | 222404655 |
oct | 63331730 |
9 | 27326310 |
10 | 13480920 |
11 | 7678462 |
12 | 4621560 |
13 | 2a4009b |
14 | 1b0cc2c |
15 | 12b4530 |
hex | cdb3d8 |
13480920 has 48 divisors (see below), whose sum is σ = 43814160. Its totient is φ = 3594816.
The previous prime is 13480891. The next prime is 13480979. The reversal of 13480920 is 2908431.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18364 + ... + 19083.
It is an arithmetic number, because the mean of its divisors is an integer number (912795).
Almost surely, 213480920 is an apocalyptic number.
13480920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13480920 is an abundant number, since it is smaller than the sum of its proper divisors (30333240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13480920 is a wasteful number, since it uses less digits than its factorization.
13480920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37464 (or 37457 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 13480920 is about 3671.6372369830. The cubic root of 13480920 is about 237.9979285652.
It can be divided in two parts, 13480 and 920, that added together give a square (14400 = 1202).
The spelling of 13480920 in words is "thirteen million, four hundred eighty thousand, nine hundred twenty".
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