Base | Representation |
---|---|
bin | 10001010100010… |
… | …11111000101111 |
3 | 101010100210211202 |
4 | 20222023320233 |
5 | 244142321323 |
6 | 22225440115 |
7 | 3412554353 |
oct | 1052137057 |
9 | 333323752 |
10 | 145276463 |
11 | 750063a2 |
12 | 407a003b |
13 | 24136c07 |
14 | 15419463 |
15 | cb49d28 |
hex | 8a8be2f |
145276463 has 4 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 145141728.
The previous prime is 145276459. The next prime is 145276471. The reversal of 145276463 is 364672541.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364672541 = 509 ⋅716449.
It is a cyclic number.
It is not a de Polignac number, because 145276463 - 22 = 145276459 is a prime.
It is a super-2 number, since 2×1452764632 = 42210501403580738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145276493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65738 + ... + 67911.
It is an arithmetic number, because the mean of its divisors is an integer number (36352800).
Almost surely, 2145276463 is an apocalyptic number.
145276463 is a deficient number, since it is larger than the sum of its proper divisors (134737).
145276463 is a wasteful number, since it uses less digits than its factorization.
145276463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134736.
The product of its digits is 120960, while the sum is 38.
The square root of 145276463 is about 12053.0686134279. The cubic root of 145276463 is about 525.6924655384.
The spelling of 145276463 in words is "one hundred forty-five million, two hundred seventy-six thousand, four hundred sixty-three".
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