Base | Representation |
---|---|
bin | 111011011011011… |
… | …0101010001101110 |
3 | 12010222020001001000 |
4 | 1312312311101232 |
5 | 13040441213421 |
6 | 525512101130 |
7 | 100262306211 |
oct | 16666652156 |
9 | 5128201030 |
10 | 1994085486 |
11 | 933677a38 |
12 | 4779947a6 |
13 | 25a186253 |
14 | 14cb99778 |
15 | ba0e5226 |
hex | 76db546e |
1994085486 has 32 divisors (see below), whose sum is σ = 4503952800. Its totient is φ = 653797440.
The previous prime is 1994085469. The next prime is 1994085503. The reversal of 1994085486 is 6845804991.
1994085486 is a `hidden beast` number, since 1 + 9 + 94 + 0 + 8 + 548 + 6 = 666.
It is an interprime number because it is at equal distance from previous prime (1994085469) and next prime (1994085503).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
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, 299391 + ... + 305978.
It is an arithmetic number, because the mean of its divisors is an integer number (140748525).
Almost surely, 21994085486 is an apocalyptic number.
1994085486 is an abundant number, since it is smaller than the sum of its proper divisors (2509867314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994085486 is a wasteful number, since it uses less digits than its factorization.
1994085486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605441 (or 605435 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The square root of 1994085486 is about 44655.1843126865. The cubic root of 1994085486 is about 1258.6778534898.
The spelling of 1994085486 in words is "one billion, nine hundred ninety-four million, eighty-five thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •