Base | Representation |
---|---|
bin | 100010010101110… |
… | …0100100000101110 |
3 | 2222022012111121200 |
4 | 1010223210200232 |
5 | 4324440204210 |
6 | 310201110330 |
7 | 40361103561 |
oct | 10453444056 |
9 | 2868174550 |
10 | 1152272430 |
11 | 541478371 |
12 | 281a883a6 |
13 | 15495350a |
14 | ad0684d8 |
15 | 6b25e0c0 |
hex | 44ae482e |
1152272430 has 48 divisors (see below), whose sum is σ = 3009159504. Its totient is φ = 305913600.
The previous prime is 1152272411. The next prime is 1152272431. The reversal of 1152272430 is 342722511.
1152272430 is a `hidden beast` number, since 1 + 1 + 5 + 227 + 2 + 430 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 1152272394 and 1152272403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1152272431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7771 + ... + 48630.
It is an arithmetic number, because the mean of its divisors is an integer number (62690823).
Almost surely, 21152272430 is an apocalyptic number.
1152272430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1152272430 is an abundant number, since it is smaller than the sum of its proper divisors (1856887074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1152272430 is a wasteful number, since it uses less digits than its factorization.
1152272430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56641 (or 56638 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 1152272430 is about 33945.1385326382. The cubic root of 1152272430 is about 1048.3791864225.
Adding to 1152272430 its reverse (342722511), we get a palindrome (1494994941).
The spelling of 1152272430 in words is "one billion, one hundred fifty-two million, two hundred seventy-two thousand, four hundred thirty".
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