Base | Representation |
---|---|
bin | 1000100110111… |
… | …10101100111110 |
3 | 12000212220211220 |
4 | 10103132230332 |
5 | 121441342413 |
6 | 11055454210 |
7 | 1534551255 |
oct | 423365476 |
9 | 160786756 |
10 | 72215358 |
11 | 37844516 |
12 | 20227366 |
13 | 11c65ca7 |
14 | 983b79c |
15 | 6517223 |
hex | 44deb3e |
72215358 has 8 divisors (see below), whose sum is σ = 144430728. Its totient is φ = 24071784.
The previous prime is 72215327. The next prime is 72215369. The reversal of 72215358 is 85351227.
It is a sphenic number, since it is the product of 3 distinct primes.
72215358 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6017941 + ... + 6017952.
It is an arithmetic number, because the mean of its divisors is an integer number (18053841).
Almost surely, 272215358 is an apocalyptic number.
72215358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72215358 is a wasteful number, since it uses less digits than its factorization.
72215358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12035898.
The product of its digits is 16800, while the sum is 33.
The square root of 72215358 is about 8497.9619909717. The cubic root of 72215358 is about 416.4311320191.
The spelling of 72215358 in words is "seventy-two million, two hundred fifteen thousand, three hundred fifty-eight".
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