Base | Representation |
---|---|
bin | 11011100010001… |
… | …01000000100111 |
3 | 121002121110102121 |
4 | 31301011000213 |
5 | 433112010013 |
6 | 34530250411 |
7 | 5503131061 |
oct | 1561050047 |
9 | 532543377 |
10 | 230969383 |
11 | 109415797 |
12 | 65426a07 |
13 | 38b0b598 |
14 | 22964731 |
15 | 1542558d |
hex | dc45027 |
230969383 has 8 divisors (see below), whose sum is σ = 236546816. Its totient is φ = 225401400.
The previous prime is 230969371. The next prime is 230969399. The reversal of 230969383 is 383969032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230969383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230969983) 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, 85138 + ... + 87808.
It is an arithmetic number, because the mean of its divisors is an integer number (29568352).
Almost surely, 2230969383 is an apocalyptic number.
230969383 is the 8124-th centered heptagonal number.
230969383 is a deficient number, since it is larger than the sum of its proper divisors (5577433).
230969383 is a wasteful number, since it uses less digits than its factorization.
230969383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4725.
The product of its (nonzero) digits is 209952, while the sum is 43.
The square root of 230969383 is about 15197.6768948415. The cubic root of 230969383 is about 613.5521346073.
The spelling of 230969383 in words is "two hundred thirty million, nine hundred sixty-nine thousand, three hundred eighty-three".
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