Base | Representation |
---|---|
bin | 10001001011010… |
… | …01101001010010 |
3 | 101001010102002001 |
4 | 20211221221102 |
5 | 243341301014 |
6 | 22144144214 |
7 | 3366503365 |
oct | 1045515122 |
9 | 331112061 |
10 | 144087634 |
11 | 74374199 |
12 | 4030806a |
13 | 23b0ba72 |
14 | 151ca0dc |
15 | c9b2974 |
hex | 8969a52 |
144087634 has 8 divisors (see below), whose sum is σ = 217028988. Its totient is φ = 71744640.
The previous prime is 144087623. The next prime is 144087641. The reversal of 144087634 is 436780441.
It can be written as a sum of positive squares in 2 ways, for example, as 144072009 + 15625 = 12003^2 + 125^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1440876342 = 41522492543435912, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 144087593 and 144087602.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148987 + ... + 149950.
Almost surely, 2144087634 is an apocalyptic number.
144087634 is a deficient number, since it is larger than the sum of its proper divisors (72941354).
144087634 is a wasteful number, since it uses less digits than its factorization.
144087634 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299180.
The product of its (nonzero) digits is 64512, while the sum is 37.
The square root of 144087634 is about 12003.6508613005. The cubic root of 144087634 is about 524.2545841556.
The spelling of 144087634 in words is "one hundred forty-four million, eighty-seven thousand, six hundred thirty-four".
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