Base | Representation |
---|---|
bin | 111011001110100… |
… | …101110000011111 |
3 | 2120020210012021100 |
4 | 323032211300133 |
5 | 4013340233130 |
6 | 242334004143 |
7 | 33424100310 |
oct | 7316456037 |
9 | 2506705240 |
10 | 993680415 |
11 | 46a9a7892 |
12 | 238946653 |
13 | 12ab368a0 |
14 | 95d84607 |
15 | 5c383c60 |
hex | 3b3a5c1f |
993680415 has 96 divisors (see below), whose sum is σ = 2135218176. Its totient is φ = 416275200.
The previous prime is 993680381. The next prime is 993680503. The reversal of 993680415 is 514086399.
It is a happy number.
It is not a de Polignac number, because 993680415 - 213 = 993672223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 617542 + ... + 619148.
It is an arithmetic number, because the mean of its divisors is an integer number (22241856).
Almost surely, 2993680415 is an apocalyptic number.
993680415 is an abundant number, since it is smaller than the sum of its proper divisors (1141537761).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
993680415 is a wasteful number, since it uses less digits than its factorization.
993680415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 993680415 is about 31522.6968230829. The cubic root of 993680415 is about 997.8890185597.
The spelling of 993680415 in words is "nine hundred ninety-three million, six hundred eighty thousand, four hundred fifteen".
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