Base | Representation |
---|---|
bin | 1000101010011… |
… | …01000011110111 |
3 | 12001201212220120 |
4 | 10111031003313 |
5 | 122100324013 |
6 | 11113303023 |
7 | 1541443155 |
oct | 425150367 |
9 | 161655816 |
10 | 72667383 |
11 | 38023098 |
12 | 20404a73 |
13 | 12093969 |
14 | 99183d5 |
15 | 65a6123 |
hex | 454d0f7 |
72667383 has 8 divisors (see below), whose sum is σ = 96937968. Its totient is φ = 48420864.
The previous prime is 72667351. The next prime is 72667423. The reversal of 72667383 is 38376627.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72667383 - 25 = 72667351 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72667303) 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, 2935 + ... + 12407.
It is an arithmetic number, because the mean of its divisors is an integer number (12117246).
Almost surely, 272667383 is an apocalyptic number.
72667383 is a deficient number, since it is larger than the sum of its proper divisors (24270585).
72667383 is a wasteful number, since it uses less digits than its factorization.
72667383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12033.
The product of its digits is 254016, while the sum is 42.
The square root of 72667383 is about 8524.5165845343. The cubic root of 72667383 is about 417.2981954655.
The spelling of 72667383 in words is "seventy-two million, six hundred sixty-seven thousand, three hundred eighty-three".
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