Base | Representation |
---|---|
bin | 1000100110110… |
… | …11011101111001 |
3 | 12000212020200001 |
4 | 10103123131321 |
5 | 121440431410 |
6 | 11055313001 |
7 | 1534464523 |
oct | 423333571 |
9 | 160766601 |
10 | 72202105 |
11 | 37835568 |
12 | 2021b761 |
13 | 11c5cc51 |
14 | 9836a13 |
15 | 651333a |
hex | 44db779 |
72202105 has 8 divisors (see below), whose sum is σ = 88486272. Its totient is φ = 56532528.
The previous prime is 72202103. The next prime is 72202127. The reversal of 72202105 is 50120227.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72202105 - 21 = 72202103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72202103) 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, 153387 + ... + 153856.
It is an arithmetic number, because the mean of its divisors is an integer number (11060784).
Almost surely, 272202105 is an apocalyptic number.
It is an amenable number.
72202105 is a deficient number, since it is larger than the sum of its proper divisors (16284167).
72202105 is a wasteful number, since it uses less digits than its factorization.
72202105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307295.
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 72202105 is about 8497.1821799936. The cubic root of 72202105 is about 416.4056559080.
The spelling of 72202105 in words is "seventy-two million, two hundred two thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •