Base | Representation |
---|---|
bin | 1011111010111… |
… | …01011111110100 |
3 | 20222011102000221 |
4 | 11331131133310 |
5 | 201044411214 |
6 | 13531144124 |
7 | 2322652303 |
oct | 575353764 |
9 | 228142027 |
10 | 99997684 |
11 | 5149a816 |
12 | 295a5044 |
13 | 17942737 |
14 | d3d043a |
15 | 8ba3e24 |
hex | 5f5d7f4 |
99997684 has 48 divisors (see below), whose sum is σ = 194040000. Its totient is φ = 44900352.
The previous prime is 99997679. The next prime is 99997687. The reversal of 99997684 is 48679999.
It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99997687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129652 + ... + 130420.
It is an arithmetic number, because the mean of its divisors is an integer number (4042500).
Almost surely, 299997684 is an apocalyptic number.
It is an amenable number.
99997684 is a deficient number, since it is larger than the sum of its proper divisors (94042316).
99997684 is a wasteful number, since it uses less digits than its factorization.
99997684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 880 (or 878 counting only the distinct ones).
The product of its digits is 8817984, while the sum is 61.
The square root of 99997684 is about 9999.8841993295. The cubic root of 99997684 is about 464.1553000270.
The spelling of 99997684 in words is "ninety-nine million, nine hundred ninety-seven thousand, six hundred eighty-four".
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