Base | Representation |
---|---|
bin | 10001010010010… |
… | …00011010100010 |
3 | 101002211202202000 |
4 | 20221020122202 |
5 | 244110000343 |
6 | 22215504430 |
7 | 3410323545 |
oct | 1051103242 |
9 | 332752660 |
10 | 145000098 |
11 | 749377a1 |
12 | 40688116 |
13 | 2406b199 |
14 | 1538685c |
15 | cae2ed3 |
hex | 8a486a2 |
145000098 has 16 divisors (see below), whose sum is σ = 322222560. Its totient is φ = 48333348.
The previous prime is 145000081. The next prime is 145000099. The reversal of 145000098 is 890000541.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145000099) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342540 + ... + 1342647.
It is an arithmetic number, because the mean of its divisors is an integer number (20138910).
Almost surely, 2145000098 is an apocalyptic number.
145000098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
145000098 is an abundant number, since it is smaller than the sum of its proper divisors (177222462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145000098 is a wasteful number, since it uses less digits than its factorization.
145000098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2685198 (or 2685192 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 145000098 is about 12041.5986480201. The cubic root of 145000098 is about 525.3589056060.
The spelling of 145000098 in words is "one hundred forty-five million, ninety-eight", and thus it is an aban number.
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