Base | Representation |
---|---|
bin | 1011111010101… |
… | …00110100100001 |
3 | 20222002121021200 |
4 | 11331110310201 |
5 | 201042242040 |
6 | 13530311413 |
7 | 2322443553 |
oct | 575246441 |
9 | 228077250 |
10 | 99962145 |
11 | 51476048 |
12 | 29588569 |
13 | 1792c4ca |
14 | d3c14d3 |
15 | 8b98630 |
hex | 5f54d21 |
99962145 has 12 divisors (see below), whose sum is σ = 173267796. Its totient is φ = 53313120.
The previous prime is 99962119. The next prime is 99962167. The reversal of 99962145 is 54126999.
It can be written as a sum of positive squares in 2 ways, for example, as 15303744 + 84658401 = 3912^2 + 9201^2 .
It is not a de Polignac number, because 99962145 - 25 = 99962113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2221381 = 99962145 / (9 + 9 + 9 + 6 + 2 + 1 + 4 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 99962145.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110646 + ... + 1110735.
It is an arithmetic number, because the mean of its divisors is an integer number (14438983).
Almost surely, 299962145 is an apocalyptic number.
It is an amenable number.
99962145 is a deficient number, since it is larger than the sum of its proper divisors (73305651).
99962145 is a wasteful number, since it uses less digits than its factorization.
99962145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2221392 (or 2221389 counting only the distinct ones).
The product of its digits is 174960, while the sum is 45.
The square root of 99962145 is about 9998.1070708410. The cubic root of 99962145 is about 464.1003068542.
The spelling of 99962145 in words is "ninety-nine million, nine hundred sixty-two thousand, one hundred forty-five".
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