Base | Representation |
---|---|
bin | 1000100110100… |
… | …10111011101110 |
3 | 12000210110201102 |
4 | 10103102323232 |
5 | 121433322100 |
6 | 11054443102 |
7 | 1534260566 |
oct | 423227356 |
9 | 160713642 |
10 | 72167150 |
11 | 37811280 |
12 | 20203492 |
13 | 11c4a073 |
14 | 9827da6 |
15 | 6507cd5 |
hex | 44d2eee |
72167150 has 24 divisors (see below), whose sum is σ = 146434824. Its totient is φ = 26242400.
The previous prime is 72167129. The next prime is 72167153. The reversal of 72167150 is 5176127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72167153) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65057 + ... + 66156.
It is an arithmetic number, because the mean of its divisors is an integer number (6101451).
Almost surely, 272167150 is an apocalyptic number.
72167150 is an abundant number, since it is smaller than the sum of its proper divisors (74267674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72167150 is a wasteful number, since it uses less digits than its factorization.
72167150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131236 (or 131231 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 29.
The square root of 72167150 is about 8495.1250726520. The cubic root of 72167150 is about 416.3384472986.
The spelling of 72167150 in words is "seventy-two million, one hundred sixty-seven thousand, one hundred fifty".
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