Base | Representation |
---|---|
bin | 10000101111111… |
… | …10101111110100 |
3 | 100210101100022210 |
4 | 20113332233310 |
5 | 241432112202 |
6 | 21535253420 |
7 | 3324156543 |
oct | 1027765764 |
9 | 323340283 |
10 | 140504052 |
11 | 72346857 |
12 | 3b07a270 |
13 | 231558c0 |
14 | 1493615a |
15 | c505c6c |
hex | 85febf4 |
140504052 has 48 divisors (see below), whose sum is σ = 356343680. Its totient is φ = 42830208.
The previous prime is 140504047. The next prime is 140504083. The reversal of 140504052 is 250405041.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12873 + ... + 21135.
Almost surely, 2140504052 is an apocalyptic number.
140504052 is a gapful number since it is divisible by the number (12) 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 140504052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178171840).
140504052 is an abundant number, since it is smaller than the sum of its proper divisors (215839628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140504052 is a wasteful number, since it uses less digits than its factorization.
140504052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8392 (or 8390 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 140504052 is about 11853.4405132012. The cubic root of 140504052 is about 519.8718273842.
Adding to 140504052 its reverse (250405041), we get a palindrome (390909093).
The spelling of 140504052 in words is "one hundred forty million, five hundred four thousand, fifty-two".
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