Base | Representation |
---|---|
bin | 110010111100… |
… | …001100110100 |
3 | 221010102221110 |
4 | 302330030310 |
5 | 11404310110 |
6 | 1154115020 |
7 | 221335206 |
oct | 62741464 |
9 | 27112843 |
10 | 13353780 |
11 | 75a0990 |
12 | 457ba70 |
13 | 29c725b |
14 | 1ab8776 |
15 | 128ba20 |
hex | cbc334 |
13353780 has 48 divisors (see below), whose sum is σ = 40791744. Its totient is φ = 3237120.
The previous prime is 13353757. The next prime is 13353803. The reversal of 13353780 is 8735331.
13353780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13353757) and next prime (13353803).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9457 + ... + 10776.
It is an arithmetic number, because the mean of its divisors is an integer number (849828).
Almost surely, 213353780 is an apocalyptic number.
13353780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13353780 is an abundant number, since it is smaller than the sum of its proper divisors (27437964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13353780 is a wasteful number, since it uses less digits than its factorization.
13353780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20256 (or 20254 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 13353780 is about 3654.2824192993. The cubic root of 13353780 is about 237.2473694126.
It can be divided in two parts, 1335 and 3780, that added together give a palindrome (5115).
The spelling of 13353780 in words is "thirteen million, three hundred fifty-three thousand, seven hundred eighty".
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