Base | Representation |
---|---|
bin | 10001001111111… |
… | …01010110111110 |
3 | 101002021011000210 |
4 | 20213331112332 |
5 | 244020131140 |
6 | 22205133250 |
7 | 3404603343 |
oct | 1047752676 |
9 | 332234023 |
10 | 144692670 |
11 | 74747821 |
12 | 4055a226 |
13 | 23c91285 |
14 | 153067ca |
15 | ca81d80 |
hex | 89fd5be |
144692670 has 32 divisors (see below), whose sum is σ = 347869728. Its totient is φ = 38517248.
The previous prime is 144692663. The next prime is 144692677. The reversal of 144692670 is 76296441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144692663) and next prime (144692677).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144692677) 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, 14602 + ... + 22418.
It is an arithmetic number, because the mean of its divisors is an integer number (10870929).
Almost surely, 2144692670 is an apocalyptic number.
144692670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144692670 is an abundant number, since it is smaller than the sum of its proper divisors (203177058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144692670 is a wasteful number, since it uses less digits than its factorization.
144692670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8444.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 144692670 is about 12028.8266260679. The cubic root of 144692670 is about 524.9873557045.
The spelling of 144692670 in words is "one hundred forty-four million, six hundred ninety-two thousand, six hundred seventy".
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