Base | Representation |
---|---|
bin | 110010011101… |
… | …001111011010 |
3 | 220212222222210 |
4 | 302131033122 |
5 | 11341230340 |
6 | 1151255550 |
7 | 220266411 |
oct | 62351732 |
9 | 26788883 |
10 | 13226970 |
11 | 7514689 |
12 | 451a5b6 |
13 | 2981613 |
14 | 1a84478 |
15 | 1264180 |
hex | c9d3da |
13226970 has 32 divisors (see below), whose sum is σ = 32152320. Its totient is φ = 3481920.
The previous prime is 13226921. The next prime is 13227023. The reversal of 13226970 is 7962231.
13226970 = 5202 + 5212 + ... + 5642.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon 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, 421 + ... + 5160.
It is an arithmetic number, because the mean of its divisors is an integer number (1004760).
Almost surely, 213226970 is an apocalyptic number.
13226970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13226970 is an abundant number, since it is smaller than the sum of its proper divisors (18925350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13226970 is a wasteful number, since it uses less digits than its factorization.
13226970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5670.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 13226970 is about 3636.8901550638. The cubic root of 13226970 is about 236.4939977946.
It can be divided in two parts, 13226 and 970, that added together give a triangular number (14196 = T168).
The spelling of 13226970 in words is "thirteen million, two hundred twenty-six thousand, nine hundred seventy".
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