Base | Representation |
---|---|
bin | 10010010000111… |
… | …01110100000111 |
3 | 101200022002101120 |
4 | 21020131310013 |
5 | 303210323330 |
6 | 23111525023 |
7 | 3540204450 |
oct | 1110356407 |
9 | 350262346 |
10 | 153214215 |
11 | 79538120 |
12 | 43389773 |
13 | 25985bcb |
14 | 164c4127 |
15 | d6b6c10 |
hex | 921dd07 |
153214215 has 64 divisors (see below), whose sum is σ = 308689920. Its totient is φ = 63037440.
The previous prime is 153214211. The next prime is 153214223. The reversal of 153214215 is 512412351.
It is a happy number.
It is not a de Polignac number, because 153214215 - 22 = 153214211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153214211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125287 + ... + 126503.
It is an arithmetic number, because the mean of its divisors is an integer number (4823280).
Almost surely, 2153214215 is an apocalyptic number.
153214215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
153214215 is an abundant number, since it is smaller than the sum of its proper divisors (155475705).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153214215 is a wasteful number, since it uses less digits than its factorization.
153214215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352.
The product of its digits is 1200, while the sum is 24.
The square root of 153214215 is about 12377.9729762187. The cubic root of 153214215 is about 535.0976209901.
Adding to 153214215 its reverse (512412351), we get a palindrome (665626566).
The spelling of 153214215 in words is "one hundred fifty-three million, two hundred fourteen thousand, two hundred fifteen".
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