Base | Representation |
---|---|
bin | 10001011000111… |
… | …01010010110111 |
3 | 101011111001211201 |
4 | 20230131102313 |
5 | 244320401210 |
6 | 22250313331 |
7 | 3420614650 |
oct | 1054352267 |
9 | 334431751 |
10 | 145872055 |
11 | 7538291a |
12 | 40a28847 |
13 | 242b5034 |
14 | 15532527 |
15 | cc1653a |
hex | 8b1d4b7 |
145872055 has 16 divisors (see below), whose sum is σ = 204934464. Its totient is φ = 97585920.
The previous prime is 145872017. The next prime is 145872079. The reversal of 145872055 is 550278541.
It is not a de Polignac number, because 145872055 - 27 = 145871927 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49392 + ... + 52261.
It is an arithmetic number, because the mean of its divisors is an integer number (12808404).
Almost surely, 2145872055 is an apocalyptic number.
145872055 is a deficient number, since it is larger than the sum of its proper divisors (59062409).
145872055 is a wasteful number, since it uses less digits than its factorization.
145872055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101706.
The product of its (nonzero) digits is 56000, while the sum is 37.
The square root of 145872055 is about 12077.7504113970. The cubic root of 145872055 is about 526.4098823432.
The spelling of 145872055 in words is "one hundred forty-five million, eight hundred seventy-two thousand, fifty-five".
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