Base | Representation |
---|---|
bin | 100111011110… |
… | …0110110000000 |
3 | 1102221111012010 |
4 | 1032330312000 |
5 | 20244241243 |
6 | 2015332520 |
7 | 340626333 |
oct | 116746600 |
9 | 42844163 |
10 | 20696448 |
11 | 10756603 |
12 | 6b21140 |
13 | 4398426 |
14 | 2a6a61a |
15 | 1c3c433 |
hex | 13bcd80 |
20696448 has 32 divisors (see below), whose sum is σ = 54975960. Its totient is φ = 6898688.
The previous prime is 20696411. The next prime is 20696461. The reversal of 20696448 is 84469602.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-3 number, since 3×206964483 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26565 + ... + 27332.
Almost surely, 220696448 is an apocalyptic number.
It is an amenable number.
20696448 is an abundant number, since it is smaller than the sum of its proper divisors (34279512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20696448 is an equidigital number, since it uses as much as digits as its factorization.
20696448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53914 (or 53902 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 20696448 is about 4549.3348964437. The cubic root of 20696448 is about 274.5566321222.
The spelling of 20696448 in words is "twenty million, six hundred ninety-six thousand, four hundred forty-eight".
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