Base | Representation |
---|---|
bin | 1101101000110… |
… | …1011100010010 |
3 | 10222122012000021 |
4 | 3122031130102 |
5 | 104120434300 |
6 | 5402014054 |
7 | 1263132664 |
oct | 332153422 |
9 | 128565007 |
10 | 57202450 |
11 | 2a320058 |
12 | 171a732a |
13 | bb0a806 |
14 | 7850534 |
15 | 504dd1a |
hex | 368d712 |
57202450 has 48 divisors (see below), whose sum is σ = 113597640. Its totient is φ = 21355520.
The previous prime is 57202417. The next prime is 57202459. The reversal of 57202450 is 5420275.
57202450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 13126129 + 44076321 = 3623^2 + 6639^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (57202459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146856 + ... + 147244.
Almost surely, 257202450 is an apocalyptic number.
57202450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57202450 is a deficient number, since it is larger than the sum of its proper divisors (56395190).
57202450 is a wasteful number, since it uses less digits than its factorization.
57202450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591 (or 586 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 25.
The square root of 57202450 is about 7563.2301300436. The cubic root of 57202450 is about 385.3052057855.
The spelling of 57202450 in words is "fifty-seven million, two hundred two thousand, four hundred fifty".
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