Base | Representation |
---|---|
bin | 1000101100111… |
… | …01000110000000 |
3 | 12002100112120221 |
4 | 10112131012000 |
5 | 122141321300 |
6 | 11124312424 |
7 | 1544306665 |
oct | 426350600 |
9 | 162315527 |
10 | 72995200 |
11 | 38227413 |
12 | 20542714 |
13 | 12179c35 |
14 | 99a1a6c |
15 | 661d31a |
hex | 459d180 |
72995200 has 48 divisors (see below), whose sum is σ = 180328860. Its totient is φ = 29196800.
The previous prime is 72995189. The next prime is 72995203. The reversal of 72995200 is 259927.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72995203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8206 + ... + 14605.
Almost surely, 272995200 is an apocalyptic number.
It is an amenable number.
72995200 is an abundant number, since it is smaller than the sum of its proper divisors (107333660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72995200 is a wasteful number, since it uses less digits than its factorization.
72995200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22835 (or 22818 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 34.
The square root of 72995200 is about 8543.7228419466. The cubic root of 72995200 is about 417.9247592418.
The spelling of 72995200 in words is "seventy-two million, nine hundred ninety-five thousand, two hundred".
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