Base | Representation |
---|---|
bin | 1100100010001… |
… | …1000000110111 |
3 | 10122220221112002 |
4 | 3020203000313 |
5 | 101424302330 |
6 | 5114445515 |
7 | 1205566523 |
oct | 310430067 |
9 | 118827462 |
10 | 52572215 |
11 | 27748313 |
12 | 1573389b |
13 | ab79127 |
14 | 6da6d83 |
15 | 4936e45 |
hex | 3223037 |
52572215 has 16 divisors (see below), whose sum is σ = 65530080. Its totient is φ = 40440960.
The previous prime is 52572199. The next prime is 52572229. The reversal of 52572215 is 51227525.
It is not a de Polignac number, because 52572215 - 24 = 52572199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43925 + ... + 45105.
It is an arithmetic number, because the mean of its divisors is an integer number (4095630).
Almost surely, 252572215 is an apocalyptic number.
52572215 is a deficient number, since it is larger than the sum of its proper divisors (12957865).
52572215 is a wasteful number, since it uses less digits than its factorization.
52572215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1522.
The product of its digits is 7000, while the sum is 29.
The square root of 52572215 is about 7250.6699690442. The cubic root of 52572215 is about 374.6152260732.
The spelling of 52572215 in words is "fifty-two million, five hundred seventy-two thousand, two hundred fifteen".
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