Base | Representation |
---|---|
bin | 111110010010111… |
… | …100000111110000 |
3 | 2200211122020100020 |
4 | 332102330013300 |
5 | 4120024332430 |
6 | 251413123440 |
7 | 34620435036 |
oct | 7622740760 |
9 | 2624566306 |
10 | 1045152240 |
11 | 496a63390 |
12 | 252029580 |
13 | 1386b8ba2 |
14 | 9cb42556 |
15 | 61b4eb10 |
hex | 3e4bc1f0 |
1045152240 has 80 divisors (see below), whose sum is σ = 3534523776. Its totient is φ = 253369600.
The previous prime is 1045152221. The next prime is 1045152263. The reversal of 1045152240 is 422515401.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 1045152240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195306 + ... + 200585.
Almost surely, 21045152240 is an apocalyptic number.
1045152240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1045152240 is an abundant number, since it is smaller than the sum of its proper divisors (2489371536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1045152240 is a wasteful number, since it uses less digits than its factorization.
1045152240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395918 (or 395912 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 1045152240 is about 32328.8143921178. The cubic root of 1045152240 is about 1014.8297384013.
Adding to 1045152240 its reverse (422515401), we get a palindrome (1467667641).
The spelling of 1045152240 in words is "one billion, forty-five million, one hundred fifty-two thousand, two hundred forty".
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