Base | Representation |
---|---|
bin | 10001011001100… |
… | …01010011101101 |
3 | 101011122020021210 |
4 | 20230301103231 |
5 | 244331012104 |
6 | 22252145033 |
7 | 3421405644 |
oct | 1054612355 |
9 | 334566253 |
10 | 145954029 |
11 | 75429471 |
12 | 40a68179 |
13 | 24313440 |
14 | 1555435b |
15 | cc30989 |
hex | 8b314ed |
145954029 has 32 divisors (see below), whose sum is σ = 224291200. Its totient is φ = 83669760.
The previous prime is 145954009. The next prime is 145954049. The reversal of 145954029 is 920459541.
145954029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (145954009) and next prime (145954049).
It is not a de Polignac number, because 145954029 - 27 = 145953901 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145954009) 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, 43587 + ... + 46815.
It is an arithmetic number, because the mean of its divisors is an integer number (7009100).
Almost surely, 2145954029 is an apocalyptic number.
145954029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
145954029 is the 6458-th nonagonal number.
It is an amenable number.
145954029 is a deficient number, since it is larger than the sum of its proper divisors (78337171).
145954029 is a wasteful number, since it uses less digits than its factorization.
145954029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3325.
The product of its (nonzero) digits is 64800, while the sum is 39.
The square root of 145954029 is about 12081.1435303120. The cubic root of 145954029 is about 526.5084706644.
The spelling of 145954029 in words is "one hundred forty-five million, nine hundred fifty-four thousand, twenty-nine".
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