Base | Representation |
---|---|
bin | 110100011100… |
… | …011101100110 |
3 | 221212110210210 |
4 | 310130131212 |
5 | 12004414240 |
6 | 1210400250 |
7 | 224566560 |
oct | 64343546 |
9 | 27773723 |
10 | 13748070 |
11 | 7840146 |
12 | 4730086 |
13 | 2b0486b |
14 | 1b7c330 |
15 | 1318780 |
hex | d1c766 |
13748070 has 64 divisors (see below), whose sum is σ = 39937536. Its totient is φ = 2956800.
The previous prime is 13748069. The next prime is 13748071. The reversal of 13748070 is 7084731.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13748069) and next prime (13748071).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13748071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1645 + ... + 5495.
It is an arithmetic number, because the mean of its divisors is an integer number (624024).
Almost surely, 213748070 is an apocalyptic number.
13748070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13748070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19968768).
13748070 is an abundant number, since it is smaller than the sum of its proper divisors (26189466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13748070 is a wasteful number, since it uses less digits than its factorization.
13748070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3885.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 13748070 is about 3707.8389932682. The cubic root of 13748070 is about 239.5597833101.
It can be divided in two parts, 137480 and 70, that added together give a triangular number (137550 = T524).
The spelling of 13748070 in words is "thirteen million, seven hundred forty-eight thousand, seventy".
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