Base | Representation |
---|---|
bin | 10001001011110… |
… | …10110010101110 |
3 | 101001020222102101 |
4 | 20211322302232 |
5 | 243401022440 |
6 | 22145445314 |
7 | 3400215223 |
oct | 1045726256 |
9 | 331228371 |
10 | 144157870 |
11 | 74411a3a |
12 | 4034083a |
13 | 23b34a1c |
14 | 1520794a |
15 | c9c869a |
hex | 897acae |
144157870 has 16 divisors (see below), whose sum is σ = 263358288. Its totient is φ = 56802240.
The previous prime is 144157847. The next prime is 144157877. The reversal of 144157870 is 78751441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144157877) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106911 + ... + 108250.
It is an arithmetic number, because the mean of its divisors is an integer number (16459893).
Almost surely, 2144157870 is an apocalyptic number.
144157870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144157870 is a deficient number, since it is larger than the sum of its proper divisors (119200418).
144157870 is a wasteful number, since it uses less digits than its factorization.
144157870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215235.
The product of its (nonzero) digits is 31360, while the sum is 37.
The square root of 144157870 is about 12006.5761147798. The cubic root of 144157870 is about 524.3397535363.
The spelling of 144157870 in words is "one hundred forty-four million, one hundred fifty-seven thousand, eight hundred seventy".
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