Base | Representation |
---|---|
bin | 110010001011… |
… | …010010001100 |
3 | 220202021002201 |
4 | 302023102030 |
5 | 11331402140 |
6 | 1145531244 |
7 | 216542110 |
oct | 62132214 |
9 | 26667081 |
10 | 13153420 |
11 | 74743a5 |
12 | 44a3b24 |
13 | 2956cb7 |
14 | 1a65740 |
15 | 124c49a |
hex | c8b48c |
13153420 has 48 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 4411584.
The previous prime is 13153417. The next prime is 13153423. The reversal of 13153420 is 2435131.
It is an interprime number because it is at equal distance from previous prime (13153417) and next prime (13153423).
It is not an unprimeable number, because it can be changed into a prime (13153423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581 + ... + 7579.
It is an arithmetic number, because the mean of its divisors is an integer number (672000).
Almost surely, 213153420 is an apocalyptic number.
13153420 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 13153420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16128000).
13153420 is an abundant number, since it is smaller than the sum of its proper divisors (19102580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13153420 is a wasteful number, since it uses less digits than its factorization.
13153420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2062 (or 2060 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 13153420 is about 3626.7643981930. The cubic root of 13153420 is about 236.0548326101.
Adding to 13153420 its reverse (2435131), we get a palindrome (15588551).
The spelling of 13153420 in words is "thirteen million, one hundred fifty-three thousand, four hundred twenty".
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