Base | Representation |
---|---|
bin | 1100110111110… |
… | …0101010100100 |
3 | 10202120212121201 |
4 | 3031330222210 |
5 | 102310104004 |
6 | 5205052244 |
7 | 1223614300 |
oct | 315745244 |
9 | 122525551 |
10 | 53988004 |
11 | 28524a94 |
12 | 160b7084 |
13 | b253685 |
14 | 7254d00 |
15 | 4b166a4 |
hex | 337caa4 |
53988004 has 18 divisors (see below), whose sum is σ = 109904550. Its totient is φ = 23137632.
The previous prime is 53987963. The next prime is 53988049. The reversal of 53988004 is 40088935.
It can be written as a sum of positive squares in only one way, i.e., 47637604 + 6350400 = 6902^2 + 2520^2 .
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, 137529 + ... + 137920.
Almost surely, 253988004 is an apocalyptic number.
It is an amenable number.
53988004 is an abundant number, since it is smaller than the sum of its proper divisors (55916546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53988004 is a wasteful number, since it uses less digits than its factorization.
53988004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275467 (or 275458 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 53988004 is about 7347.6529585984. The cubic root of 53988004 is about 377.9483239828.
It can be divided in two parts, 5 and 3988004, that added together give a square (3988009 = 19972).
The spelling of 53988004 in words is "fifty-three million, nine hundred eighty-eight thousand, four".
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