Base | Representation |
---|---|
bin | 11110001011010… |
… | …00001001001101 |
3 | 122122022111201201 |
4 | 33011220021031 |
5 | 1004300232024 |
6 | 41041305501 |
7 | 6162412135 |
oct | 1705501115 |
9 | 578274651 |
10 | 253133389 |
11 | 11a983953 |
12 | 70935291 |
13 | 4059b992 |
14 | 25893ac5 |
15 | 17352744 |
hex | f16824d |
253133389 has 8 divisors (see below), whose sum is σ = 262671552. Its totient is φ = 243761280.
The previous prime is 253133381. The next prime is 253133411. The reversal of 253133389 is 983331352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253133389 - 23 = 253133381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253133381) 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 7 ways as a sum of consecutive naturals, for example, 38404 + ... + 44509.
It is an arithmetic number, because the mean of its divisors is an integer number (32833944).
Almost surely, 2253133389 is an apocalyptic number.
It is an amenable number.
253133389 is a deficient number, since it is larger than the sum of its proper divisors (9538163).
253133389 is an equidigital number, since it uses as much as digits as its factorization.
253133389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83027.
The product of its digits is 58320, while the sum is 37.
The square root of 253133389 is about 15910.1662153480. The cubic root of 253133389 is about 632.5814871032.
The spelling of 253133389 in words is "two hundred fifty-three million, one hundred thirty-three thousand, three hundred eighty-nine".
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