Base | Representation |
---|---|
bin | 10001010100010… |
… | …10010101011011 |
3 | 101010100111010100 |
4 | 20222022111123 |
5 | 244142120412 |
6 | 22225350443 |
7 | 3412530003 |
oct | 1052122533 |
9 | 333314110 |
10 | 145270107 |
11 | 75001644 |
12 | 40798423 |
13 | 24134058 |
14 | 15417003 |
15 | cb47edc |
hex | 8a8a55b |
145270107 has 6 divisors (see below), whose sum is σ = 209834612. Its totient is φ = 96846732.
The previous prime is 145270087. The next prime is 145270109. The reversal of 145270107 is 701072541.
It is not a de Polignac number, because 145270107 - 28 = 145269851 is a prime.
It is a super-2 number, since 2×1452701072 = 42206807975582898, 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 (145270109) 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 5 ways as a sum of consecutive naturals, for example, 8070553 + ... + 8070570.
Almost surely, 2145270107 is an apocalyptic number.
145270107 is a deficient number, since it is larger than the sum of its proper divisors (64564505).
145270107 is a wasteful number, since it uses less digits than its factorization.
145270107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16141129 (or 16141126 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
The square root of 145270107 is about 12052.8049432487. The cubic root of 145270107 is about 525.6847988914.
The spelling of 145270107 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred seven".
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