Base | Representation |
---|---|
bin | 1000101100111… |
… | …00101011011010 |
3 | 12002100110020220 |
4 | 10112130223122 |
5 | 122141242443 |
6 | 11124300510 |
7 | 1544302014 |
oct | 426345332 |
9 | 162313226 |
10 | 72993498 |
11 | 38226106 |
12 | 20541736 |
13 | 12179226 |
14 | 99a11b4 |
15 | 661ca83 |
hex | 459cada |
72993498 has 8 divisors (see below), whose sum is σ = 145987008. Its totient is φ = 24331164.
The previous prime is 72993469. The next prime is 72993511. The reversal of 72993498 is 89439927.
It is a sphenic number, since it is the product of 3 distinct primes.
72993498 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 72993498.
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, 6082786 + ... + 6082797.
It is an arithmetic number, because the mean of its divisors is an integer number (18248376).
Almost surely, 272993498 is an apocalyptic number.
72993498 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.
72993498 is a wasteful number, since it uses less digits than its factorization.
72993498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12165588.
The product of its digits is 979776, while the sum is 51.
The square root of 72993498 is about 8543.6232360750. The cubic root of 72993498 is about 417.9215110216.
The spelling of 72993498 in words is "seventy-two million, nine hundred ninety-three thousand, four hundred ninety-eight".
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