Base | Representation |
---|---|
bin | 110011011000… |
… | …011100100000 |
3 | 221100022122100 |
4 | 303120130200 |
5 | 11422010342 |
6 | 1200410400 |
7 | 222326412 |
oct | 63303440 |
9 | 27308570 |
10 | 13469472 |
11 | 766a8a5 |
12 | 4616a00 |
13 | 2a37b03 |
14 | 1b089b2 |
15 | 12b0e4c |
hex | cd8720 |
13469472 has 36 divisors (see below), whose sum is σ = 38304630. Its totient is φ = 4489728.
The previous prime is 13469459. The next prime is 13469483. The reversal of 13469472 is 27496431.
It can be written as a sum of positive squares in only one way, i.e., 12702096 + 767376 = 3564^2 + 876^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23097 + ... + 23672.
Almost surely, 213469472 is an apocalyptic number.
13469472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13469472 is an abundant number, since it is smaller than the sum of its proper divisors (24835158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13469472 is a wasteful number, since it uses less digits than its factorization.
13469472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46785 (or 46774 counting only the distinct ones).
The product of its digits is 36288, while the sum is 36.
The square root of 13469472 is about 3670.0779283280. The cubic root of 13469472 is about 237.9305401897.
The spelling of 13469472 in words is "thirteen million, four hundred sixty-nine thousand, four hundred seventy-two".
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