Base | Representation |
---|---|
bin | 1000100101100… |
… | …10111011101011 |
3 | 12000112210220210 |
4 | 10102302323223 |
5 | 121420123300 |
6 | 11051552203 |
7 | 1533203466 |
oct | 422627353 |
9 | 160483823 |
10 | 72036075 |
11 | 37731851 |
12 | 2015b663 |
13 | 11c024c7 |
14 | 97d22dd |
15 | 64ce050 |
hex | 44b2eeb |
72036075 has 24 divisors (see below), whose sum is σ = 119350000. Its totient is φ = 38338560.
The previous prime is 72036073. The next prime is 72036091. The reversal of 72036075 is 57063027.
It is not a de Polignac number, because 72036075 - 21 = 72036073 is a prime.
It is a super-2 number, since 2×720360752 = 10378392202811250, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (72036073) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57051 + ... + 58299.
Almost surely, 272036075 is an apocalyptic number.
72036075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
72036075 is a deficient number, since it is larger than the sum of its proper divisors (47313925).
72036075 is a wasteful number, since it uses less digits than its factorization.
72036075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2031 (or 2026 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 30.
The square root of 72036075 is about 8487.4068477951. The cubic root of 72036075 is about 416.0862335871.
It can be divided in two parts, 7203 and 6075, that multiplied together give a square (43758225 = 66152).
The spelling of 72036075 in words is "seventy-two million, thirty-six thousand, seventy-five".
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