Base | Representation |
---|---|
bin | 1000101011011… |
… | …01110011001101 |
3 | 12001222200212022 |
4 | 10111231303031 |
5 | 122114121420 |
6 | 11120215525 |
7 | 1542542141 |
oct | 425556315 |
9 | 161880768 |
10 | 72801485 |
11 | 38104919 |
12 | 2046a5a5 |
13 | 1210ca03 |
14 | 9951221 |
15 | 65d0c25 |
hex | 456dccd |
72801485 has 8 divisors (see below), whose sum is σ = 90180096. Its totient is φ = 56362320.
The previous prime is 72801481. The next prime is 72801499. The reversal of 72801485 is 58410827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72801485 - 22 = 72801481 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72801481) 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, 234689 + ... + 234998.
It is an arithmetic number, because the mean of its divisors is an integer number (11272512).
Almost surely, 272801485 is an apocalyptic number.
It is an amenable number.
72801485 is a deficient number, since it is larger than the sum of its proper divisors (17378611).
72801485 is a wasteful number, since it uses less digits than its factorization.
72801485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469723.
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 72801485 is about 8532.3786249791. The cubic root of 72801485 is about 417.5547348369.
The spelling of 72801485 in words is "seventy-two million, eight hundred one thousand, four hundred eighty-five".
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