Base | Representation |
---|---|
bin | 10001001100010… |
… | …00110100000000 |
3 | 101001100220012021 |
4 | 20212020310000 |
5 | 243404342141 |
6 | 22151011224 |
7 | 3400544521 |
oct | 1046106400 |
9 | 331326167 |
10 | 144215296 |
11 | 744510a5 |
12 | 40369b14 |
13 | 23b54bc4 |
14 | 15220848 |
15 | c9da6d1 |
hex | 8988d00 |
144215296 has 36 divisors (see below), whose sum is σ = 291848452. Its totient is φ = 71110656.
The previous prime is 144215273. The next prime is 144215321. The reversal of 144215296 is 692512441.
It can be written as a sum of positive squares in 2 ways, for example, as 76317696 + 67897600 = 8736^2 + 8240^2 .
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 14830 + ... + 22546.
Almost surely, 2144215296 is an apocalyptic number.
144215296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144215296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145924226).
144215296 is an abundant number, since it is smaller than the sum of its proper divisors (147633156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144215296 is an frugal number, since it uses more digits than its factorization.
144215296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7806 (or 7792 counting only the distinct ones).
The product of its digits is 17280, while the sum is 34.
The square root of 144215296 is about 12008.9673161351. The cubic root of 144215296 is about 524.4093687374.
It can be divided in two parts, 144 and 215296, that multiplied together give a square (31002624 = 55682).
The spelling of 144215296 in words is "one hundred forty-four million, two hundred fifteen thousand, two hundred ninety-six".
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