Base | Representation |
---|---|
bin | 110010001010… |
… | …001011010000 |
3 | 220202000212120 |
4 | 302022023100 |
5 | 11331231010 |
6 | 1145454240 |
7 | 216522633 |
oct | 62121320 |
9 | 26660776 |
10 | 13148880 |
11 | 7470a48 |
12 | 44a1380 |
13 | 2954c04 |
14 | 1a63c1a |
15 | 124ae70 |
hex | c8a2d0 |
13148880 has 40 divisors (see below), whose sum is σ = 40762272. Its totient is φ = 3506304.
The previous prime is 13148879. The next prime is 13148881. The reversal of 13148880 is 8884131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13148879) and next prime (13148881).
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13148881) 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, 27154 + ... + 27633.
Almost surely, 213148880 is an apocalyptic number.
13148880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13148880 is an abundant number, since it is smaller than the sum of its proper divisors (27613392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13148880 is a wasteful number, since it uses less digits than its factorization.
13148880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54803 (or 54797 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 13148880 is about 3626.1384419241. The cubic root of 13148880 is about 236.0276707955.
It can be divided in two parts, 13148 and 880, that added together give a triangular number (14028 = T167).
The spelling of 13148880 in words is "thirteen million, one hundred forty-eight thousand, eight hundred eighty".
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