Base | Representation |
---|---|
bin | 10001010010100… |
… | …00010100011111 |
3 | 101002220102011022 |
4 | 20221100110133 |
5 | 244112014404 |
6 | 22220314355 |
7 | 3410520134 |
oct | 1051202437 |
9 | 332812138 |
10 | 145032479 |
11 | 7495a059 |
12 | 406a29bb |
13 | 2407cb47 |
14 | 1539458b |
15 | caec8be |
hex | 8a5051f |
145032479 has 2 divisors, whose sum is σ = 145032480. Its totient is φ = 145032478.
The previous prime is 145032473. The next prime is 145032527. The reversal of 145032479 is 974230541.
It is a weak prime.
It is an emirp because it is prime and its reverse (974230541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145032479 - 212 = 145028383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145032473) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72516239 + 72516240.
It is an arithmetic number, because the mean of its divisors is an integer number (72516240).
Almost surely, 2145032479 is an apocalyptic number.
145032479 is a deficient number, since it is larger than the sum of its proper divisors (1).
145032479 is an equidigital number, since it uses as much as digits as its factorization.
145032479 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 145032479 is about 12042.9431203506. The cubic root of 145032479 is about 525.3980099026.
The spelling of 145032479 in words is "one hundred forty-five million, thirty-two thousand, four hundred seventy-nine".
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