Base | Representation |
---|---|
bin | 1000100110100… |
… | …00010001100110 |
3 | 12000202220210011 |
4 | 10103100101212 |
5 | 121433000022 |
6 | 11054320434 |
7 | 1534214053 |
oct | 423202146 |
9 | 160686704 |
10 | 72156262 |
11 | 37804082 |
12 | 201b911a |
13 | 11c45119 |
14 | 982402a |
15 | 6504977 |
hex | 44d0466 |
72156262 has 16 divisors (see below), whose sum is σ = 120633840. Its totient is φ = 32168448.
The previous prime is 72156239. The next prime is 72156289. The reversal of 72156262 is 26265127.
It is a super-2 number, since 2×721562622 = 10413052291625288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55203 + ... + 56494.
It is an arithmetic number, because the mean of its divisors is an integer number (7539615).
Almost surely, 272156262 is an apocalyptic number.
72156262 is a deficient number, since it is larger than the sum of its proper divisors (48477578).
72156262 is a wasteful number, since it uses less digits than its factorization.
72156262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111735.
The product of its digits is 10080, while the sum is 31.
The square root of 72156262 is about 8494.4842103567. The cubic root of 72156262 is about 416.3175083118.
The spelling of 72156262 in words is "seventy-two million, one hundred fifty-six thousand, two hundred sixty-two".
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