Base | Representation |
---|---|
bin | 110101001110… |
… | …011111001010 |
3 | 222020212212200 |
4 | 311032133022 |
5 | 12032443340 |
6 | 1215021030 |
7 | 226412133 |
oct | 65163712 |
9 | 28225780 |
10 | 13952970 |
11 | 7970089 |
12 | 480a776 |
13 | 2b76bc5 |
14 | 1bd2c8a |
15 | 1359330 |
hex | d4e7ca |
13952970 has 48 divisors (see below), whose sum is σ = 36489960. Its totient is φ = 3699072.
The previous prime is 13952947. The next prime is 13952999. The reversal of 13952970 is 7925931.
It can be written as a sum of positive squares in 4 ways, for example, as 13638249 + 314721 = 3693^2 + 561^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20272 + ... + 20948.
Almost surely, 213952970 is an apocalyptic number.
13952970 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 13952970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18244980).
13952970 is an abundant number, since it is smaller than the sum of its proper divisors (22536990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13952970 is a wasteful number, since it uses less digits than its factorization.
13952970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 919 (or 916 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 13952970 is about 3735.3674518044. The cubic root of 13952970 is about 240.7440451033.
The spelling of 13952970 in words is "thirteen million, nine hundred fifty-two thousand, nine hundred seventy".
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