Base | Representation |
---|---|
bin | 11011110110011… |
… | …01011101001101 |
3 | 121021121101211101 |
4 | 31323031131031 |
5 | 434302003141 |
6 | 35103223101 |
7 | 5534532451 |
oct | 1573153515 |
9 | 537541741 |
10 | 233625421 |
11 | 10a96a267 |
12 | 662a7a91 |
13 | 3952b4c3 |
14 | 23056661 |
15 | 1579c531 |
hex | decd74d |
233625421 has 16 divisors (see below), whose sum is σ = 258370560. Its totient is φ = 210474880.
The previous prime is 233625409. The next prime is 233625433. The reversal of 233625421 is 124526332.
It is an interprime number because it is at equal distance from previous prime (233625409) and next prime (233625433).
It is a cyclic number.
It is not a de Polignac number, because 233625421 - 213 = 233617229 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 233625421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233625481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23076 + ... + 31618.
It is an arithmetic number, because the mean of its divisors is an integer number (16148160).
Almost surely, 2233625421 is an apocalyptic number.
It is an amenable number.
233625421 is a deficient number, since it is larger than the sum of its proper divisors (24745139).
233625421 is a wasteful number, since it uses less digits than its factorization.
233625421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8636.
The product of its digits is 8640, while the sum is 28.
The square root of 233625421 is about 15284.8101394816. The cubic root of 233625421 is about 615.8950292333.
The spelling of 233625421 in words is "two hundred thirty-three million, six hundred twenty-five thousand, four hundred twenty-one".
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