Base | Representation |
---|---|
bin | 10001011001110… |
… | …11010111001101 |
3 | 101011201022210010 |
4 | 20230323113031 |
5 | 244333321323 |
6 | 22253103433 |
7 | 3421640010 |
oct | 1054732715 |
9 | 334638703 |
10 | 145995213 |
11 | 75457401 |
12 | 40a87b79 |
13 | 24329100 |
14 | 15565377 |
15 | cc3cc93 |
hex | 8b3b5cd |
145995213 has 48 divisors (see below), whose sum is σ = 248856576. Its totient is φ = 74468160.
The previous prime is 145995203. The next prime is 145995233. The reversal of 145995213 is 312599541.
It is not a de Polignac number, because 145995213 - 25 = 145995181 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 (145995203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109356 + ... + 110682.
It is an arithmetic number, because the mean of its divisors is an integer number (5184512).
Almost surely, 2145995213 is an apocalyptic number.
145995213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
145995213 is a deficient number, since it is larger than the sum of its proper divisors (102861363).
145995213 is a wasteful number, since it uses less digits than its factorization.
145995213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1394 (or 1381 counting only the distinct ones).
The product of its digits is 48600, while the sum is 39.
The square root of 145995213 is about 12082.8478845014. The cubic root of 145995213 is about 526.5579878213.
The spelling of 145995213 in words is "one hundred forty-five million, nine hundred ninety-five thousand, two hundred thirteen".
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