Base | Representation |
---|---|
bin | 11010001000011… |
… | …101101101101000 |
3 | 1010112222101001111 |
4 | 122020131231220 |
5 | 1344214121342 |
6 | 111301000104 |
7 | 13602364201 |
oct | 3210355550 |
9 | 1115871044 |
10 | 438426472 |
11 | 205531330 |
12 | 1029b3034 |
13 | 6caa6b63 |
14 | 423285a8 |
15 | 28754217 |
hex | 1a21db68 |
438426472 has 16 divisors (see below), whose sum is σ = 896781600. Its totient is φ = 199284720.
The previous prime is 438426467. The next prime is 438426473. The reversal of 438426472 is 274624834.
It is not an unprimeable number, because it can be changed into a prime (438426473) 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, 2490972 + ... + 2491147.
It is an arithmetic number, because the mean of its divisors is an integer number (56048850).
Almost surely, 2438426472 is an apocalyptic number.
It is an amenable number.
438426472 is an abundant number, since it is smaller than the sum of its proper divisors (458355128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438426472 is a wasteful number, since it uses less digits than its factorization.
438426472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4982136 (or 4982132 counting only the distinct ones).
The product of its digits is 258048, while the sum is 40.
The square root of 438426472 is about 20938.6358676968. The cubic root of 438426472 is about 759.6827346106.
The spelling of 438426472 in words is "four hundred thirty-eight million, four hundred twenty-six thousand, four hundred seventy-two".
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