Base | Representation |
---|---|
bin | 10001010010111… |
… | …10100011101111 |
3 | 101010000101011022 |
4 | 20221132203233 |
5 | 244120401144 |
6 | 22221444355 |
7 | 3411152150 |
oct | 1051364357 |
9 | 333011138 |
10 | 145090799 |
11 | 74999957 |
12 | 407106bb |
13 | 240a0559 |
14 | 153ab927 |
15 | cb0ecee |
hex | 8a5e8ef |
145090799 has 16 divisors (see below), whose sum is σ = 172238400. Its totient is φ = 119583744.
The previous prime is 145090793. The next prime is 145090807. The reversal of 145090799 is 997090541.
It is not a de Polignac number, because 145090799 - 212 = 145086703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145090793) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53279 + ... + 55935.
It is an arithmetic number, because the mean of its divisors is an integer number (10764900).
Almost surely, 2145090799 is an apocalyptic number.
145090799 is a deficient number, since it is larger than the sum of its proper divisors (27147601).
145090799 is a wasteful number, since it uses less digits than its factorization.
145090799 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2962.
The product of its (nonzero) digits is 102060, while the sum is 44.
The square root of 145090799 is about 12045.3642120112. The cubic root of 145090799 is about 525.4684242584.
The spelling of 145090799 in words is "one hundred forty-five million, ninety thousand, seven hundred ninety-nine".
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