Base | Representation |
---|---|
bin | 110011101010… |
… | …010001001000 |
3 | 221111000210001 |
4 | 303222101020 |
5 | 11431324342 |
6 | 1202132344 |
7 | 223052266 |
oct | 63522110 |
9 | 27430701 |
10 | 13542472 |
11 | 770a729 |
12 | 46510b4 |
13 | 2a620c8 |
14 | 1b27436 |
15 | 12c78b7 |
hex | cea448 |
13542472 has 16 divisors (see below), whose sum is σ = 26886060. Its totient is φ = 6372864.
The previous prime is 13542467. The next prime is 13542479. The reversal of 13542472 is 27424531.
It can be written as a sum of positive squares in 2 ways, for example, as 12068676 + 1473796 = 3474^2 + 1214^2 .
It is a super-4 number, since 4×135424724 (a number of 30 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13542472.
It is not an unprimeable number, because it can be changed into a prime (13542479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49653 + ... + 49924.
Almost surely, 213542472 is an apocalyptic number.
It is an amenable number.
13542472 is a deficient number, since it is larger than the sum of its proper divisors (13343588).
13542472 is a wasteful number, since it uses less digits than its factorization.
13542472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99600 (or 99596 counting only the distinct ones).
The product of its digits is 6720, while the sum is 28.
The square root of 13542472 is about 3680.0097825957. The cubic root of 13542472 is about 238.3596004542.
The spelling of 13542472 in words is "thirteen million, five hundred forty-two thousand, four hundred seventy-two".
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