Base | Representation |
---|---|
bin | 101010101010011… |
… | …1100010011001110 |
3 | 10200202201102212000 |
4 | 1111110330103032 |
5 | 10412434200410 |
6 | 354015053130 |
7 | 50322000402 |
oct | 12524742316 |
9 | 3622642760 |
10 | 1431553230 |
11 | 675090148 |
12 | 33b5111a6 |
13 | 19a778723 |
14 | d81a7102 |
15 | 85a28dc0 |
hex | 5553c4ce |
1431553230 has 64 divisors (see below), whose sum is σ = 3828142080. Its totient is φ = 380680992.
The previous prime is 1431553223. The next prime is 1431553231. The reversal of 1431553230 is 323551341.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1431553194 and 1431553203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431553231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91867 + ... + 106313.
It is an arithmetic number, because the mean of its divisors is an integer number (59814720).
Almost surely, 21431553230 is an apocalyptic number.
1431553230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1431553230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914071040).
1431553230 is an abundant number, since it is smaller than the sum of its proper divisors (2396588850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431553230 is a wasteful number, since it uses less digits than its factorization.
1431553230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14830 (or 14824 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 1431553230 is about 37835.8722642944. The cubic root of 1431553230 is about 1127.0309269809.
The spelling of 1431553230 in words is "one billion, four hundred thirty-one million, five hundred fifty-three thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •