Base | Representation |
---|---|
bin | 1111100001101… |
… | …1101011010000 |
3 | 11112112200210201 |
4 | 3320123223100 |
5 | 113133000242 |
6 | 10243504544 |
7 | 1420361005 |
oct | 370335320 |
9 | 145480721 |
10 | 65125072 |
11 | 33841481 |
12 | 19988154 |
13 | 1065295c |
14 | 89138ac |
15 | 5ab64b7 |
hex | 3e1bad0 |
65125072 has 40 divisors (see below), whose sum is σ = 129852800. Its totient is φ = 31629312.
The previous prime is 65125061. The next prime is 65125087. The reversal of 65125072 is 27052156.
It is a self number, because there is not a number n which added to its sum of digits gives 65125072.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84304 + ... + 85072.
It is an arithmetic number, because the mean of its divisors is an integer number (3246320).
Almost surely, 265125072 is an apocalyptic number.
It is an amenable number.
65125072 is a deficient number, since it is larger than the sum of its proper divisors (64727728).
65125072 is a wasteful number, since it uses less digits than its factorization.
65125072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923 (or 917 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 65125072 is about 8070.0106567464. The cubic root of 65125072 is about 402.3302979162.
The spelling of 65125072 in words is "sixty-five million, one hundred twenty-five thousand, seventy-two".
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