Base | Representation |
---|---|
bin | 1101101011100… |
… | …0011010010101 |
3 | 10222222010102220 |
4 | 3122320122111 |
5 | 104142102303 |
6 | 5405452553 |
7 | 1264465056 |
oct | 332703225 |
9 | 128863386 |
10 | 57378453 |
11 | 2a430310 |
12 | 17271159 |
13 | bb6c962 |
14 | 789872d |
15 | 5086053 |
hex | 36b8695 |
57378453 has 16 divisors (see below), whose sum is σ = 85717056. Its totient is φ = 33834240.
The previous prime is 57378449. The next prime is 57378463. The reversal of 57378453 is 35487375.
It is not a de Polignac number, because 57378453 - 22 = 57378449 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57378413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22276 + ... + 24717.
It is an arithmetic number, because the mean of its divisors is an integer number (5357316).
Almost surely, 257378453 is an apocalyptic number.
It is an amenable number.
57378453 is a deficient number, since it is larger than the sum of its proper divisors (28338603).
57378453 is a wasteful number, since it uses less digits than its factorization.
57378453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47044.
The product of its digits is 352800, while the sum is 42.
The square root of 57378453 is about 7574.8566323066. The cubic root of 57378453 is about 385.6999758164.
The spelling of 57378453 in words is "fifty-seven million, three hundred seventy-eight thousand, four hundred fifty-three".
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