Base | Representation |
---|---|
bin | 1110100101101… |
… | …1110000111000 |
3 | 11021010221101111 |
4 | 3221123300320 |
5 | 111131141042 |
6 | 10023330104 |
7 | 1342064020 |
oct | 351336070 |
9 | 137127344 |
10 | 61193272 |
11 | 315a6458 |
12 | 185b0934 |
13 | c8a714a |
14 | 81aca80 |
15 | 558b517 |
hex | 3a5bc38 |
61193272 has 32 divisors (see below), whose sum is σ = 132933600. Its totient is φ = 25864704.
The previous prime is 61193263. The next prime is 61193273. The reversal of 61193272 is 27239116.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61193273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 11572.
It is an arithmetic number, because the mean of its divisors is an integer number (4154175).
Almost surely, 261193272 is an apocalyptic number.
It is an amenable number.
61193272 is an abundant number, since it is smaller than the sum of its proper divisors (71740328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61193272 is a wasteful number, since it uses less digits than its factorization.
61193272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15055 (or 15051 counting only the distinct ones).
The product of its digits is 4536, while the sum is 31.
The square root of 61193272 is about 7822.6128627205. The cubic root of 61193272 is about 394.0650257282.
The spelling of 61193272 in words is "sixty-one million, one hundred ninety-three thousand, two hundred seventy-two".
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