Base | Representation |
---|---|
bin | 10001011000111… |
… | …10010110010001 |
3 | 101011111021202111 |
4 | 20230132112101 |
5 | 244321020434 |
6 | 22250345321 |
7 | 3420633352 |
oct | 1054362621 |
9 | 334437674 |
10 | 145876369 |
11 | 75386091 |
12 | 40a2b241 |
13 | 242b6ca2 |
14 | 15533d29 |
15 | cc17964 |
hex | 8b1e591 |
145876369 has 4 divisors (see below), whose sum is σ = 146431296. Its totient is φ = 145321444.
The previous prime is 145876363. The next prime is 145876397. The reversal of 145876369 is 963678541.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 145876369 - 29 = 145875857 is a prime.
It is a super-2 number, since 2×1458763692 = 42559830065248322, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145876363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277069 + ... + 277594.
It is an arithmetic number, because the mean of its divisors is an integer number (36607824).
Almost surely, 2145876369 is an apocalyptic number.
It is an amenable number.
145876369 is a deficient number, since it is larger than the sum of its proper divisors (554927).
145876369 is an equidigital number, since it uses as much as digits as its factorization.
145876369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 554926.
The product of its digits is 1088640, while the sum is 49.
The square root of 145876369 is about 12077.9290029375. The cubic root of 145876369 is about 526.4150716164.
The spelling of 145876369 in words is "one hundred forty-five million, eight hundred seventy-six thousand, three hundred sixty-nine".
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