Base | Representation |
---|---|
bin | 1100111010010… |
… | …0100000101101 |
3 | 10202220011111111 |
4 | 3032210200231 |
5 | 102330314323 |
6 | 5212352021 |
7 | 1225164154 |
oct | 316444055 |
9 | 122804444 |
10 | 54151213 |
11 | 28626676 |
12 | 16175611 |
13 | b2aca4c |
14 | 729859b |
15 | 4b49c0d |
hex | 33a482d |
54151213 has 8 divisors (see below), whose sum is σ = 55282176. Its totient is φ = 53024400.
The previous prime is 54151187. The next prime is 54151243. The reversal of 54151213 is 31215145.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54151213 - 221 = 52054061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54151243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52008 + ... + 53038.
It is an arithmetic number, because the mean of its divisors is an integer number (6910272).
Almost surely, 254151213 is an apocalyptic number.
54151213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
It is an amenable number.
54151213 is a deficient number, since it is larger than the sum of its proper divisors (1130963).
54151213 is a wasteful number, since it uses less digits than its factorization.
54151213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2075.
The product of its digits is 600, while the sum is 22.
The square root of 54151213 is about 7358.7507771360. The cubic root of 54151213 is about 378.3287943892.
Adding to 54151213 its reverse (31215145), we get a palindrome (85366358).
The spelling of 54151213 in words is "fifty-four million, one hundred fifty-one thousand, two hundred thirteen".
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