Base | Representation |
---|---|
bin | 111011011011000… |
… | …1101101000010100 |
3 | 12010221220210021102 |
4 | 1312312031220110 |
5 | 13040421014332 |
6 | 525504405232 |
7 | 100261031600 |
oct | 16666155024 |
9 | 5127823242 |
10 | 1993923092 |
11 | 933576a27 |
12 | 477916818 |
13 | 25a12a365 |
14 | 14cb56500 |
15 | ba0b2062 |
hex | 76d8da14 |
1993923092 has 18 divisors (see below), whose sum is σ = 4059058122. Its totient is φ = 854538384.
The previous prime is 1993923083. The next prime is 1993923103. The reversal of 1993923092 is 2903293991.
It can be written as a sum of positive squares in only one way, i.e., 1380568336 + 613354756 = 37156^2 + 24766^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5086343 + ... + 5086734.
It is an arithmetic number, because the mean of its divisors is an integer number (225503229).
Almost surely, 21993923092 is an apocalyptic number.
It is an amenable number.
1993923092 is an abundant number, since it is smaller than the sum of its proper divisors (2065135030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1993923092 is a wasteful number, since it uses less digits than its factorization.
1993923092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10173095 (or 10173086 counting only the distinct ones).
The product of its (nonzero) digits is 236196, while the sum is 47.
The square root of 1993923092 is about 44653.3659649527. The cubic root of 1993923092 is about 1258.6436845635.
The spelling of 1993923092 in words is "one billion, nine hundred ninety-three million, nine hundred twenty-three thousand, ninety-two".
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