Base | Representation |
---|---|
bin | 1100011011110… |
… | …1010001010111 |
3 | 10122010202212102 |
4 | 3012331101113 |
5 | 101322433404 |
6 | 5101512315 |
7 | 1202212535 |
oct | 306752127 |
9 | 118122772 |
10 | 52155479 |
11 | 27493202 |
12 | 1557269b |
13 | aa6153c |
14 | 6cd9155 |
15 | 48a371e |
hex | 31bd457 |
52155479 has 2 divisors, whose sum is σ = 52155480. Its totient is φ = 52155478.
The previous prime is 52155451. The next prime is 52155487. The reversal of 52155479 is 97455125.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52155479 - 28 = 52155223 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52155449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077739 + 26077740.
It is an arithmetic number, because the mean of its divisors is an integer number (26077740).
Almost surely, 252155479 is an apocalyptic number.
52155479 is a deficient number, since it is larger than the sum of its proper divisors (1).
52155479 is an equidigital number, since it uses as much as digits as its factorization.
52155479 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 63000, while the sum is 38.
The square root of 52155479 is about 7221.8750335353. The cubic root of 52155479 is about 373.6227500869.
The spelling of 52155479 in words is "fifty-two million, one hundred fifty-five thousand, four hundred seventy-nine".
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