Base | Representation |
---|---|
bin | 101010001011110… |
… | …0000111100111111 |
3 | 10122122102022222001 |
4 | 1110113200330333 |
5 | 10344323403211 |
6 | 352242003131 |
7 | 50035062433 |
oct | 12427407477 |
9 | 3578368861 |
10 | 1415450431 |
11 | 666a9194a |
12 | 3360464a7 |
13 | 19732b145 |
14 | d5db49c3 |
15 | 843e7ac1 |
hex | 545e0f3f |
1415450431 has 8 divisors (see below), whose sum is σ = 1421388000. Its totient is φ = 1409525760.
The previous prime is 1415450423. The next prime is 1415450441. The reversal of 1415450431 is 1340545141.
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 1415450431 - 23 = 1415450423 is a prime.
It is a super-2 number, since 2×14154504312 = 4006999845236171522, which contains 22 as substring.
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 1415450431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1415450441) 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, 259470 + ... + 264868.
It is an arithmetic number, because the mean of its divisors is an integer number (177673500).
Almost surely, 21415450431 is an apocalyptic number.
1415450431 is a deficient number, since it is larger than the sum of its proper divisors (5937569).
1415450431 is an equidigital number, since it uses as much as digits as its factorization.
1415450431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6449.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 1415450431 is about 37622.4724200842. The cubic root of 1415450431 is about 1122.7891873827.
Adding to 1415450431 its reverse (1340545141), we get a palindrome (2755995572).
The spelling of 1415450431 in words is "one billion, four hundred fifteen million, four hundred fifty thousand, four hundred thirty-one".
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