Base | Representation |
---|---|
bin | 11011100010110… |
… | …01100001100111 |
3 | 121002202201200220 |
4 | 31301121201213 |
5 | 433122202130 |
6 | 34532135423 |
7 | 5503631055 |
oct | 1561314147 |
9 | 532681626 |
10 | 231053415 |
11 | 10947293a |
12 | 65467573 |
13 | 38b3a8c8 |
14 | 229871d5 |
15 | 15440410 |
hex | dc59867 |
231053415 has 8 divisors (see below), whose sum is σ = 369685488. Its totient is φ = 123228480.
The previous prime is 231053413. The next prime is 231053441. The reversal of 231053415 is 514350132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231053415 - 21 = 231053413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231053413) 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, 7701766 + ... + 7701795.
It is an arithmetic number, because the mean of its divisors is an integer number (46210686).
Almost surely, 2231053415 is an apocalyptic number.
231053415 is a deficient number, since it is larger than the sum of its proper divisors (138632073).
231053415 is a wasteful number, since it uses less digits than its factorization.
231053415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15403569.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 231053415 is about 15200.4412764893. The cubic root of 231053415 is about 613.6265337345.
The spelling of 231053415 in words is "two hundred thirty-one million, fifty-three thousand, four hundred fifteen".
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