Base | Representation |
---|---|
bin | 1000110101101… |
… | …10110001011001 |
3 | 12011112011020112 |
4 | 10122312301121 |
5 | 122440231303 |
6 | 11205134105 |
7 | 1560153464 |
oct | 432666131 |
9 | 164464215 |
10 | 74148953 |
11 | 3894522a |
12 | 209ba335 |
13 | 12492128 |
14 | 9bc22db |
15 | 679a0d8 |
hex | 46b6c59 |
74148953 has 2 divisors, whose sum is σ = 74148954. Its totient is φ = 74148952.
The previous prime is 74148929. The next prime is 74148959. The reversal of 74148953 is 35984147.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 52591504 + 21557449 = 7252^2 + 4643^2 .
It is an emirp because it is prime and its reverse (35984147) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 74148953 - 216 = 74083417 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 74148953.
It is not a weakly prime, because it can be changed into another prime (74148959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074476 + 37074477.
It is an arithmetic number, because the mean of its divisors is an integer number (37074477).
Almost surely, 274148953 is an apocalyptic number.
It is an amenable number.
74148953 is a deficient number, since it is larger than the sum of its proper divisors (1).
74148953 is an equidigital number, since it uses as much as digits as its factorization.
74148953 is an evil number, because the sum of its binary digits is even.
The product of its digits is 120960, while the sum is 41.
The square root of 74148953 is about 8610.9786319558. The cubic root of 74148953 is about 420.1151479442.
It can be divided in two parts, 741 and 48953, that added together give a palindrome (49694).
The spelling of 74148953 in words is "seventy-four million, one hundred forty-eight thousand, nine hundred fifty-three".
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