Base | Representation |
---|---|
bin | 1100110111000… |
… | …0100100101010 |
3 | 10202111100200021 |
4 | 3031300210222 |
5 | 102302012344 |
6 | 5204031054 |
7 | 1223320012 |
oct | 315604452 |
9 | 122440607 |
10 | 53938474 |
11 | 284a0857 |
12 | 1609248a |
13 | b236c75 |
14 | 7240c42 |
15 | 4b06b84 |
hex | 337092a |
53938474 has 4 divisors (see below), whose sum is σ = 80907714. Its totient is φ = 26969236.
The previous prime is 53938441. The next prime is 53938513. The reversal of 53938474 is 47483935.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47483935 = 5 ⋅9496787.
It can be written as a sum of positive squares in only one way, i.e., 35319249 + 18619225 = 5943^2 + 4315^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 53938474.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484617 + ... + 13484620.
Almost surely, 253938474 is an apocalyptic number.
53938474 is a deficient number, since it is larger than the sum of its proper divisors (26969240).
53938474 is a wasteful number, since it uses less digits than its factorization.
53938474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26969239.
The product of its digits is 362880, while the sum is 43.
The square root of 53938474 is about 7344.2817211760. The cubic root of 53938474 is about 377.8327087431.
The spelling of 53938474 in words is "fifty-three million, nine hundred thirty-eight thousand, four hundred seventy-four".
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