Base | Representation |
---|---|
bin | 1000100101101… |
… | …01001000111111 |
3 | 12000120021022202 |
4 | 10102311020333 |
5 | 121420420434 |
6 | 11052102115 |
7 | 1533242036 |
oct | 422651077 |
9 | 160507282 |
10 | 72045119 |
11 | 37738623 |
12 | 2016493b |
13 | 11c06663 |
14 | 97d571d |
15 | 64d1a7e |
hex | 44b523f |
72045119 has 2 divisors, whose sum is σ = 72045120. Its totient is φ = 72045118.
The previous prime is 72045109. The next prime is 72045137. The reversal of 72045119 is 91154027.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72045119 is a prime.
It is a super-2 number, since 2×720451192 = 10380998343448322, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 72045091 and 72045100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72045109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36022559 + 36022560.
It is an arithmetic number, because the mean of its divisors is an integer number (36022560).
Almost surely, 272045119 is an apocalyptic number.
72045119 is a deficient number, since it is larger than the sum of its proper divisors (1).
72045119 is an equidigital number, since it uses as much as digits as its factorization.
72045119 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 72045119 is about 8487.9396204261. The cubic root of 72045119 is about 416.1036458185.
The spelling of 72045119 in words is "seventy-two million, forty-five thousand, one hundred nineteen".
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