Base | Representation |
---|---|
bin | 1000101000001… |
… | …01101100011101 |
3 | 12001012000221010 |
4 | 10110011230131 |
5 | 122012000234 |
6 | 11103125433 |
7 | 1536115014 |
oct | 424055435 |
9 | 161160833 |
10 | 72375069 |
11 | 37943508 |
12 | 202a3879 |
13 | 11cc08b0 |
14 | 987da7b |
15 | 65496e9 |
hex | 4505b1d |
72375069 has 32 divisors (see below), whose sum is σ = 110847744. Its totient is φ = 41610240.
The previous prime is 72375059. The next prime is 72375101. The reversal of 72375069 is 96057327.
It is not a de Polignac number, because 72375069 - 24 = 72375053 is a prime.
It is a super-2 number, since 2×723750692 = 10476301225509522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72375059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114384 + ... + 115014.
It is an arithmetic number, because the mean of its divisors is an integer number (3463992).
Almost surely, 272375069 is an apocalyptic number.
It is an amenable number.
72375069 is a deficient number, since it is larger than the sum of its proper divisors (38472675).
72375069 is a wasteful number, since it uses less digits than its factorization.
72375069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 837.
The product of its (nonzero) digits is 79380, while the sum is 39.
The square root of 72375069 is about 8507.3538189028. The cubic root of 72375069 is about 416.7378980797.
The spelling of 72375069 in words is "seventy-two million, three hundred seventy-five thousand, sixty-nine".
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