Base | Representation |
---|---|
bin | 1100011111110… |
… | …0110111001011 |
3 | 10122122000011101 |
4 | 3013330313023 |
5 | 101404302242 |
6 | 5111242231 |
7 | 1204346113 |
oct | 307746713 |
9 | 118560141 |
10 | 52415947 |
11 | 27650971 |
12 | 15679377 |
13 | ab22c6c |
14 | 6d66043 |
15 | 49059b7 |
hex | 31fcdcb |
52415947 has 16 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 47099520.
The previous prime is 52415941. The next prime is 52415977. The reversal of 52415947 is 74951425.
It is not a de Polignac number, because 52415947 - 219 = 51891659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52415941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41004 + ... + 42262.
It is an arithmetic number, because the mean of its divisors is an integer number (3628800).
Almost surely, 252415947 is an apocalyptic number.
52415947 is a deficient number, since it is larger than the sum of its proper divisors (5644853).
52415947 is a wasteful number, since it uses less digits than its factorization.
52415947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1386.
The product of its digits is 50400, while the sum is 37.
The square root of 52415947 is about 7239.8858416414. The cubic root of 52415947 is about 374.2436833562.
It can be divided in two parts, 524 and 15947, that added together give a triangular number (16471 = T181).
The spelling of 52415947 in words is "fifty-two million, four hundred fifteen thousand, nine hundred forty-seven".
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