Base | Representation |
---|---|
bin | 1011000110001… |
… | …11100010001100 |
3 | 20111011120012010 |
4 | 11203013202030 |
5 | 142312420410 |
6 | 13123141220 |
7 | 2210161122 |
oct | 543074214 |
9 | 214146163 |
10 | 93091980 |
11 | 48603423 |
12 | 27214810 |
13 | 16395417 |
14 | c513912 |
15 | 828cc20 |
hex | 58c788c |
93091980 has 48 divisors (see below), whose sum is σ = 261402624. Its totient is φ = 24753600.
The previous prime is 93091961. The next prime is 93091997. The reversal of 93091980 is 8919039.
It is a super-2 number, since 2×930919802 = 17332233480640800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20955 + ... + 25005.
It is an arithmetic number, because the mean of its divisors is an integer number (5445888).
Almost surely, 293091980 is an apocalyptic number.
It is an amenable number.
93091980 is an abundant number, since it is smaller than the sum of its proper divisors (168310644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93091980 is a wasteful number, since it uses less digits than its factorization.
93091980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4446 (or 4444 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 39.
The square root of 93091980 is about 9648.4185232607. The cubic root of 93091980 is about 453.2148058544.
The spelling of 93091980 in words is "ninety-three million, ninety-one thousand, nine hundred eighty".
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