Base | Representation |
---|---|
bin | 10001001011110… |
… | …10101010111011 |
3 | 101001020221201220 |
4 | 20211322222323 |
5 | 243401013441 |
6 | 22145443123 |
7 | 3400213611 |
oct | 1045725273 |
9 | 331227656 |
10 | 144157371 |
11 | 74411626 |
12 | 403404a3 |
13 | 23b34727 |
14 | 152076b1 |
15 | c9c8466 |
hex | 897aabb |
144157371 has 16 divisors (see below), whose sum is σ = 197108736. Its totient is φ = 93665376.
The previous prime is 144157337. The next prime is 144157373. The reversal of 144157371 is 173751441.
It is a happy number.
It is not a de Polignac number, because 144157371 - 210 = 144156347 is a prime.
It is a super-2 number, since 2×1441573712 = 41562695227263282, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (144157373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78166 + ... + 79988.
It is an arithmetic number, because the mean of its divisors is an integer number (12319296).
Almost surely, 2144157371 is an apocalyptic number.
144157371 is a deficient number, since it is larger than the sum of its proper divisors (52951365).
144157371 is a wasteful number, since it uses less digits than its factorization.
144157371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482.
The product of its digits is 11760, while the sum is 33.
The square root of 144157371 is about 12006.5553344829. Note that the first 3 decimals coincide. The cubic root of 144157371 is about 524.3391485379.
The spelling of 144157371 in words is "one hundred forty-four million, one hundred fifty-seven thousand, three hundred seventy-one".
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