Base | Representation |
---|---|
bin | 1101101001011… |
… | …1101000101111 |
3 | 10222201022021211 |
4 | 3122113220233 |
5 | 104123303312 |
6 | 5402535251 |
7 | 1263365506 |
oct | 332275057 |
9 | 128638254 |
10 | 57244207 |
11 | 2a349469 |
12 | 17207527 |
13 | bb23817 |
14 | 786183d |
15 | 505b3a7 |
hex | 3697a2f |
57244207 has 8 divisors (see below), whose sum is σ = 60844160. Its totient is φ = 53703000.
The previous prime is 57244193. The next prime is 57244211. The reversal of 57244207 is 70244275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57244207 - 219 = 56719919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57244237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12669 + ... + 16582.
It is an arithmetic number, because the mean of its divisors is an integer number (7605520).
Almost surely, 257244207 is an apocalyptic number.
57244207 is a deficient number, since it is larger than the sum of its proper divisors (3599953).
57244207 is a wasteful number, since it uses less digits than its factorization.
57244207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29373.
The product of its (nonzero) digits is 15680, while the sum is 31.
The square root of 57244207 is about 7565.9901533111. The cubic root of 57244207 is about 385.3989388109.
The spelling of 57244207 in words is "fifty-seven million, two hundred forty-four thousand, two hundred seven".
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