Base | Representation |
---|---|
bin | 11110010001000… |
… | …00101000001111 |
3 | 122200201220021202 |
4 | 33020200220033 |
5 | 1004443422124 |
6 | 41105420115 |
7 | 6202010165 |
oct | 1710405017 |
9 | 580656252 |
10 | 253889039 |
11 | 12034a658 |
12 | 7103a63b |
13 | 407a4901 |
14 | 25a0d235 |
15 | 174515ae |
hex | f220a0f |
253889039 has 8 divisors (see below), whose sum is σ = 275873280. Its totient is φ = 232767000.
The previous prime is 253889029. The next prime is 253889081. The reversal of 253889039 is 930988352.
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 253889039 - 24 = 253889023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 253888984 and 253889002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253889029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214937 + ... + 216114.
It is an arithmetic number, because the mean of its divisors is an integer number (34484160).
Almost surely, 2253889039 is an apocalyptic number.
253889039 is a deficient number, since it is larger than the sum of its proper divisors (21984241).
253889039 is a wasteful number, since it uses less digits than its factorization.
253889039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431101.
The product of its (nonzero) digits is 466560, while the sum is 47.
The square root of 253889039 is about 15933.8959140569. The cubic root of 253889039 is about 633.2103193831.
The spelling of 253889039 in words is "two hundred fifty-three million, eight hundred eighty-nine thousand, thirty-nine".
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