Base | Representation |
---|---|
bin | 110010010100… |
… | …001110011000 |
3 | 220211010100000 |
4 | 302110032120 |
5 | 11334040130 |
6 | 1150413000 |
7 | 220053633 |
oct | 62241630 |
9 | 26733300 |
10 | 13190040 |
11 | 7499966 |
12 | 4501160 |
13 | 296a876 |
14 | 1a74c1a |
15 | 1258260 |
hex | c94398 |
13190040 has 192 divisors, whose sum is σ = 47174400. Its totient is φ = 3307392.
The previous prime is 13190029. The next prime is 13190059. The reversal of 13190040 is 4009131.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13189995 and 13190022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223531 + ... + 223589.
It is an arithmetic number, because the mean of its divisors is an integer number (245700).
Almost surely, 213190040 is an apocalyptic number.
13190040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13190040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23587200).
13190040 is an abundant number, since it is smaller than the sum of its proper divisors (33984360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13190040 is a wasteful number, since it uses less digits than its factorization.
13190040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108 (or 92 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 13190040 is about 3631.8094663680. The cubic root of 13190040 is about 236.2736937688.
Adding to 13190040 its reverse (4009131), we get a palindrome (17199171).
The spelling of 13190040 in words is "thirteen million, one hundred ninety thousand, forty".
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