Base | Representation |
---|---|
bin | 101100001010010… |
… | …0010110011001110 |
3 | 10211021020020121200 |
4 | 1120110202303032 |
5 | 11013313433210 |
6 | 403011410330 |
7 | 51501632364 |
oct | 13024426316 |
9 | 3737206550 |
10 | 1481780430 |
11 | 6a0476629 |
12 | 3542b39a6 |
13 | 1a7cb3370 |
14 | 100b1d634 |
15 | 8a14b0c0 |
hex | 58522cce |
1481780430 has 96 divisors (see below), whose sum is σ = 4245617376. Its totient is φ = 356251392.
The previous prime is 1481780411. The next prime is 1481780441. The reversal of 1481780430 is 340871841.
1481780430 is a `hidden beast` number, since 148 + 1 + 7 + 80 + 430 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35584 + ... + 65036.
It is an arithmetic number, because the mean of its divisors is an integer number (44225181).
Almost surely, 21481780430 is an apocalyptic number.
1481780430 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 1481780430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122808688).
1481780430 is an abundant number, since it is smaller than the sum of its proper divisors (2763836946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1481780430 is a wasteful number, since it uses less digits than its factorization.
1481780430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29522 (or 29519 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 1481780430 is about 38493.9012052559. The cubic root of 1481780430 is about 1140.0606385104.
The spelling of 1481780430 in words is "one billion, four hundred eighty-one million, seven hundred eighty thousand, four hundred thirty".
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